Distance Matrix service

Read the documentation or view this example full screen.

function initMap() {
  var bounds = new google.maps.LatLngBounds;
  var markersArray = [];

  var origin1 = {lat: 55.93, lng: -3.118};
  var origin2 = 'Greenwich, England';
  var destinationA = 'Stockholm, Sweden';
  var destinationB = {lat: 50.087, lng: 14.421};

  var destinationIcon = 'https://chart.googleapis.com/chart?' +
      'chst=d_map_pin_letter&chld=D|FF0000|000000';
  var originIcon = 'https://chart.googleapis.com/chart?' +
      'chst=d_map_pin_letter&chld=O|FFFF00|000000';
  var map = new google.maps.Map(document.getElementById('map'), {
    center: {lat: 55.53, lng: 9.4},
    zoom: 10
  });
  var geocoder = new google.maps.Geocoder;

  var service = new google.maps.DistanceMatrixService;
  service.getDistanceMatrix({
    origins: [origin1, origin2],
    destinations: [destinationA, destinationB],
    travelMode: google.maps.TravelMode.DRIVING,
    unitSystem: google.maps.UnitSystem.METRIC,
    avoidHighways: false,
    avoidTolls: false
  }, function(response, status) {
    if (status !== google.maps.DistanceMatrixStatus.OK) {
      alert('Error was: ' + status);
    } else {
      var originList = response.originAddresses;
      var destinationList = response.destinationAddresses;
      var outputDiv = document.getElementById('output');
      outputDiv.innerHTML = '';
      deleteMarkers(markersArray);

      var showGeocodedAddressOnMap = function(asDestination) {
        var icon = asDestination ? destinationIcon : originIcon;
        return function(results, status) {
          if (status === google.maps.GeocoderStatus.OK) {
            map.fitBounds(bounds.extend(results[0].geometry.location));
            markersArray.push(new google.maps.Marker({
              map: map,
              position: results[0].geometry.location,
              icon: icon
            }));
          } else {
            alert('Geocode was not successful due to: ' + status);
          }
        };
      };

      for (var i = 0; i < originList.length; i++) {
        var results = response.rows[i].elements;
        geocoder.geocode({'address': originList[i]},
            showGeocodedAddressOnMap(false));
        for (var j = 0; j < results.length; j++) {
          geocoder.geocode({'address': destinationList[j]},
              showGeocodedAddressOnMap(true));
          outputDiv.innerHTML += originList[i] + ' to ' + destinationList[j] +
              ': ' + results[j].distance.text + ' in ' +
              results[j].duration.text + '<br>';
        }
      }
    }
  });
}

function deleteMarkers(markersArray) {
  for (var i = 0; i < markersArray.length; i++) {
    markersArray[i].setMap(null);
  }
  markersArray = [];
}
    <div id="right-panel">
      <div id="inputs">
        <pre>
var origin1 = {lat: 55.930, lng: -3.118};
var origin2 = 'Greenwich, England';
var destinationA = 'Stockholm, Sweden';
var destinationB = {lat: 50.087, lng: 14.421};
        </pre>
      </div>
      <div>
        <strong>Results</strong>
      </div>
      <div id="output"></div>
    </div>
    <div id="map"></div>
#right-panel {
  font-family: 'Roboto','sans-serif';
  line-height: 30px;
  padding-left: 10px;
}

#right-panel select, #right-panel input {
  font-size: 15px;
}

#right-panel select {
  width: 100%;
}

#right-panel i {
  font-size: 12px;
}
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}
#map {
  height: 100%;
  width: 50%;
}
#right-panel {
  float: right;
  width: 48%;
  padding-left: 2%;
}
#output {
  font-size: 11px;
}
<!-- Replace the value of the key parameter with your own API key. -->
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap">
</script>
JavaScript
function initMap() {
  var bounds = new google.maps.LatLngBounds;
  var markersArray = [];

  var origin1 = {lat: 55.93, lng: -3.118};
  var origin2 = 'Greenwich, England';
  var destinationA = 'Stockholm, Sweden';
  var destinationB = {lat: 50.087, lng: 14.421};

  var destinationIcon = 'https://chart.googleapis.com/chart?' +
      'chst=d_map_pin_letter&chld=D|FF0000|000000';
  var originIcon = 'https://chart.googleapis.com/chart?' +
      'chst=d_map_pin_letter&chld=O|FFFF00|000000';
  var map = new google.maps.Map(document.getElementById('map'), {
    center: {lat: 55.53, lng: 9.4},
    zoom: 10
  });
  var geocoder = new google.maps.Geocoder;

  var service = new google.maps.DistanceMatrixService;
  service.getDistanceMatrix({
    origins: [origin1, origin2],
    destinations: [destinationA, destinationB],
    travelMode: google.maps.TravelMode.DRIVING,
    unitSystem: google.maps.UnitSystem.METRIC,
    avoidHighways: false,
    avoidTolls: false
  }, function(response, status) {
    if (status !== google.maps.DistanceMatrixStatus.OK) {
      alert('Error was: ' + status);
    } else {
      var originList = response.originAddresses;
      var destinationList = response.destinationAddresses;
      var outputDiv = document.getElementById('output');
      outputDiv.innerHTML = '';
      deleteMarkers(markersArray);

      var showGeocodedAddressOnMap = function(asDestination) {
        var icon = asDestination ? destinationIcon : originIcon;
        return function(results, status) {
          if (status === google.maps.GeocoderStatus.OK) {
            map.fitBounds(bounds.extend(results[0].geometry.location));
            markersArray.push(new google.maps.Marker({
              map: map,
              position: results[0].geometry.location,
              icon: icon
            }));
          } else {
            alert('Geocode was not successful due to: ' + status);
          }
        };
      };

      for (var i = 0; i < originList.length; i++) {
        var results = response.rows[i].elements;
        geocoder.geocode({'address': originList[i]},
            showGeocodedAddressOnMap(false));
        for (var j = 0; j < results.length; j++) {
          geocoder.geocode({'address': destinationList[j]},
              showGeocodedAddressOnMap(true));
          outputDiv.innerHTML += originList[i] + ' to ' + destinationList[j] +
              ': ' + results[j].distance.text + ' in ' +
              results[j].duration.text + '<br>';
        }
      }
    }
  });
}

function deleteMarkers(markersArray) {
  for (var i = 0; i < markersArray.length; i++) {
    markersArray[i].setMap(null);
  }
  markersArray = [];
}
JavaScript + HTML
<!DOCTYPE html>
<html>
  <head>
    <title>Distance Matrix service</title>
    <style>
      #right-panel {
        font-family: 'Roboto','sans-serif';
        line-height: 30px;
        padding-left: 10px;
      }

      #right-panel select, #right-panel input {
        font-size: 15px;
      }

      #right-panel select {
        width: 100%;
      }

      #right-panel i {
        font-size: 12px;
      }
      html, body {
        height: 100%;
        margin: 0;
        padding: 0;
      }
      #map {
        height: 100%;
        width: 50%;
      }
      #right-panel {
        float: right;
        width: 48%;
        padding-left: 2%;
      }
      #output {
        font-size: 11px;
      }
    </style>
  </head>
  <body>
    <div id="right-panel">
      <div id="inputs">
        <pre>
var origin1 = {lat: 55.930, lng: -3.118};
var origin2 = 'Greenwich, England';
var destinationA = 'Stockholm, Sweden';
var destinationB = {lat: 50.087, lng: 14.421};
        </pre>
      </div>
      <div>
        <strong>Results</strong>
      </div>
      <div id="output"></div>
    </div>
    <div id="map"></div>
    <script>
      function initMap() {
        var bounds = new google.maps.LatLngBounds;
        var markersArray = [];

        var origin1 = {lat: 55.93, lng: -3.118};
        var origin2 = 'Greenwich, England';
        var destinationA = 'Stockholm, Sweden';
        var destinationB = {lat: 50.087, lng: 14.421};

        var destinationIcon = 'https://chart.googleapis.com/chart?' +
            'chst=d_map_pin_letter&chld=D|FF0000|000000';
        var originIcon = 'https://chart.googleapis.com/chart?' +
            'chst=d_map_pin_letter&chld=O|FFFF00|000000';
        var map = new google.maps.Map(document.getElementById('map'), {
          center: {lat: 55.53, lng: 9.4},
          zoom: 10
        });
        var geocoder = new google.maps.Geocoder;

        var service = new google.maps.DistanceMatrixService;
        service.getDistanceMatrix({
          origins: [origin1, origin2],
          destinations: [destinationA, destinationB],
          travelMode: google.maps.TravelMode.DRIVING,
          unitSystem: google.maps.UnitSystem.METRIC,
          avoidHighways: false,
          avoidTolls: false
        }, function(response, status) {
          if (status !== google.maps.DistanceMatrixStatus.OK) {
            alert('Error was: ' + status);
          } else {
            var originList = response.originAddresses;
            var destinationList = response.destinationAddresses;
            var outputDiv = document.getElementById('output');
            outputDiv.innerHTML = '';
            deleteMarkers(markersArray);

            var showGeocodedAddressOnMap = function(asDestination) {
              var icon = asDestination ? destinationIcon : originIcon;
              return function(results, status) {
                if (status === google.maps.GeocoderStatus.OK) {
                  map.fitBounds(bounds.extend(results[0].geometry.location));
                  markersArray.push(new google.maps.Marker({
                    map: map,
                    position: results[0].geometry.location,
                    icon: icon
                  }));
                } else {
                  alert('Geocode was not successful due to: ' + status);
                }
              };
            };

            for (var i = 0; i < originList.length; i++) {
              var results = response.rows[i].elements;
              geocoder.geocode({'address': originList[i]},
                  showGeocodedAddressOnMap(false));
              for (var j = 0; j < results.length; j++) {
                geocoder.geocode({'address': destinationList[j]},
                    showGeocodedAddressOnMap(true));
                outputDiv.innerHTML += originList[i] + ' to ' + destinationList[j] +
                    ': ' + results[j].distance.text + ' in ' +
                    results[j].duration.text + '<br>';
              }
            }
          }
        });
      }

      function deleteMarkers(markersArray) {
        for (var i = 0; i < markersArray.length; i++) {
          markersArray[i].setMap(null);
        }
        markersArray = [];
      }
    </script>
    <script async defer
    src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
    </script>
  </body>
</html>

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