This example demonstrates the use of the DistanceMatrixService
object to fetch
the distances between a set of locations.
Read the documentation.
TypeScript
function initMap(): void { const bounds = new google.maps.LatLngBounds(); const markersArray: google.maps.Marker[] = []; const map = new google.maps.Map( document.getElementById("map") as HTMLElement, { center: { lat: 55.53, lng: 9.4 }, zoom: 10, } ); // initialize services const geocoder = new google.maps.Geocoder(); const service = new google.maps.DistanceMatrixService(); // build request const origin1 = { lat: 55.93, lng: -3.118 }; const origin2 = "Greenwich, England"; const destinationA = "Stockholm, Sweden"; const destinationB = { lat: 50.087, lng: 14.421 }; const request = { origins: [origin1, origin2], destinations: [destinationA, destinationB], travelMode: google.maps.TravelMode.DRIVING, unitSystem: google.maps.UnitSystem.METRIC, avoidHighways: false, avoidTolls: false, }; // put request on page (document.getElementById("request") as HTMLDivElement).innerText = JSON.stringify(request, null, 2); // get distance matrix response service.getDistanceMatrix(request).then((response) => { // put response (document.getElementById("response") as HTMLDivElement).innerText = JSON.stringify(response, null, 2); // show on map const originList = response.originAddresses; const destinationList = response.destinationAddresses; deleteMarkers(markersArray); const showGeocodedAddressOnMap = (asDestination: boolean) => { const handler = ({ results }: google.maps.GeocoderResponse) => { map.fitBounds(bounds.extend(results[0].geometry.location)); markersArray.push( new google.maps.Marker({ map, position: results[0].geometry.location, label: asDestination ? "D" : "O", }) ); }; return handler; }; for (let i = 0; i < originList.length; i++) { const results = response.rows[i].elements; geocoder .geocode({ address: originList[i] }) .then(showGeocodedAddressOnMap(false)); for (let j = 0; j < results.length; j++) { geocoder .geocode({ address: destinationList[j] }) .then(showGeocodedAddressOnMap(true)); } } }); } function deleteMarkers(markersArray: google.maps.Marker[]) { for (let i = 0; i < markersArray.length; i++) { markersArray[i].setMap(null); } markersArray = []; } declare global { interface Window { initMap: () => void; } } window.initMap = initMap;
JavaScript
function initMap() { const bounds = new google.maps.LatLngBounds(); const markersArray = []; const map = new google.maps.Map(document.getElementById("map"), { center: { lat: 55.53, lng: 9.4 }, zoom: 10, }); // initialize services const geocoder = new google.maps.Geocoder(); const service = new google.maps.DistanceMatrixService(); // build request const origin1 = { lat: 55.93, lng: -3.118 }; const origin2 = "Greenwich, England"; const destinationA = "Stockholm, Sweden"; const destinationB = { lat: 50.087, lng: 14.421 }; const request = { origins: [origin1, origin2], destinations: [destinationA, destinationB], travelMode: google.maps.TravelMode.DRIVING, unitSystem: google.maps.UnitSystem.METRIC, avoidHighways: false, avoidTolls: false, }; // put request on page document.getElementById("request").innerText = JSON.stringify( request, null, 2, ); // get distance matrix response service.getDistanceMatrix(request).then((response) => { // put response document.getElementById("response").innerText = JSON.stringify( response, null, 2, ); // show on map const originList = response.originAddresses; const destinationList = response.destinationAddresses; deleteMarkers(markersArray); const showGeocodedAddressOnMap = (asDestination) => { const handler = ({ results }) => { map.fitBounds(bounds.extend(results[0].geometry.location)); markersArray.push( new google.maps.Marker({ map, position: results[0].geometry.location, label: asDestination ? "D" : "O", }), ); }; return handler; }; for (let i = 0; i < originList.length; i++) { const results = response.rows[i].elements; geocoder .geocode({ address: originList[i] }) .then(showGeocodedAddressOnMap(false)); for (let j = 0; j < results.length; j++) { geocoder .geocode({ address: destinationList[j] }) .then(showGeocodedAddressOnMap(true)); } } }); } function deleteMarkers(markersArray) { for (let i = 0; i < markersArray.length; i++) { markersArray[i].setMap(null); } markersArray = []; } window.initMap = initMap;
CSS
/* Optional: Makes the sample page fill the window. */ html, body { height: 100%; margin: 0; padding: 0; } #container { height: 100%; display: flex; } #sidebar { flex-basis: 15rem; flex-grow: 1; padding: 1rem; max-width: 30rem; height: 100%; box-sizing: border-box; overflow: auto; } #map { flex-basis: 0; flex-grow: 4; height: 100%; } #sidebar { flex-direction: column; }
HTML
<html> <head> <title>Distance Matrix Service</title> <link rel="stylesheet" type="text/css" href="./style.css" /> <script type="module" src="./index.js"></script> </head> <body> <div id="container"> <div id="map"></div> <div id="sidebar"> <h3 style="flex-grow: 0">Request</h3> <pre style="flex-grow: 1" id="request"></pre> <h3 style="flex-grow: 0">Response</h3> <pre style="flex-grow: 1" id="response"></pre> </div> </div> <!-- The `defer` attribute causes the script to execute after the full HTML document has been parsed. For non-blocking uses, avoiding race conditions, and consistent behavior across browsers, consider loading using Promises. See https://developers.google.com/maps/documentation/javascript/load-maps-js-api for more information. --> <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly" defer ></script> </body> </html>
Try Sample
Clone Sample
Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.
git clone -b sample-distance-matrix https://github.com/googlemaps/js-samples.git
cd js-samples
npm i
npm start
Other samples can be tried by switching to any branch beginning with sample-SAMPLE_NAME
.
git checkout sample-SAMPLE_NAME
npm i
npm start