This example demonstrates the use of the DirectionsService
object to fetch directions between different cities.
Read the documentation or view this example fullscreen.
function initMap() { var directionsService = new google.maps.DirectionsService; var directionsDisplay = new google.maps.DirectionsRenderer; var map = new google.maps.Map(document.getElementById('map'), { zoom: 7, center: {lat: 41.85, lng: -87.65} }); directionsDisplay.setMap(map); var onChangeHandler = function() { calculateAndDisplayRoute(directionsService, directionsDisplay); }; document.getElementById('start').addEventListener('change', onChangeHandler); document.getElementById('end').addEventListener('change', onChangeHandler); } function calculateAndDisplayRoute(directionsService, directionsDisplay) { directionsService.route({ origin: document.getElementById('start').value, destination: document.getElementById('end').value, travelMode: 'DRIVING' }, function(response, status) { if (status === 'OK') { directionsDisplay.setDirections(response); } else { window.alert('Directions request failed due to ' + status); } }); }
<div id="floating-panel"> <b>Start: </b> <select id="start"> <option value="chicago, il">Chicago</option> <option value="st louis, mo">St Louis</option> <option value="joplin, mo">Joplin, MO</option> <option value="oklahoma city, ok">Oklahoma City</option> <option value="amarillo, tx">Amarillo</option> <option value="gallup, nm">Gallup, NM</option> <option value="flagstaff, az">Flagstaff, AZ</option> <option value="winona, az">Winona</option> <option value="kingman, az">Kingman</option> <option value="barstow, ca">Barstow</option> <option value="san bernardino, ca">San Bernardino</option> <option value="los angeles, ca">Los Angeles</option> </select> <b>End: </b> <select id="end"> <option value="chicago, il">Chicago</option> <option value="st louis, mo">St Louis</option> <option value="joplin, mo">Joplin, MO</option> <option value="oklahoma city, ok">Oklahoma City</option> <option value="amarillo, tx">Amarillo</option> <option value="gallup, nm">Gallup, NM</option> <option value="flagstaff, az">Flagstaff, AZ</option> <option value="winona, az">Winona</option> <option value="kingman, az">Kingman</option> <option value="barstow, ca">Barstow</option> <option value="san bernardino, ca">San Bernardino</option> <option value="los angeles, ca">Los Angeles</option> </select> </div> <div id="map"></div>
/* Always set the map height explicitly to define the size of the div * element that contains the map. */ #map { height: 100%; } /* Optional: Makes the sample page fill the window. */ html, body { height: 100%; margin: 0; padding: 0; }
#floating-panel { position: absolute; top: 10px; left: 25%; z-index: 5; background-color: #fff; padding: 5px; border: 1px solid #999; text-align: center; font-family: 'Roboto','sans-serif'; line-height: 30px; padding-left: 10px; }
<!-- 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>
Try it yourself
You can experiment with this code in JSFiddle by clicking the <>
icon in the
top-right corner of the code window.
<!DOCTYPE html> <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> <meta charset="utf-8"> <title>Directions Service</title> <style> /* Always set the map height explicitly to define the size of the div * element that contains the map. */ #map { height: 100%; } /* Optional: Makes the sample page fill the window. */ html, body { height: 100%; margin: 0; padding: 0; } #floating-panel { position: absolute; top: 10px; left: 25%; z-index: 5; background-color: #fff; padding: 5px; border: 1px solid #999; text-align: center; font-family: 'Roboto','sans-serif'; line-height: 30px; padding-left: 10px; } </style> </head> <body> <div id="floating-panel"> <b>Start: </b> <select id="start"> <option value="chicago, il">Chicago</option> <option value="st louis, mo">St Louis</option> <option value="joplin, mo">Joplin, MO</option> <option value="oklahoma city, ok">Oklahoma City</option> <option value="amarillo, tx">Amarillo</option> <option value="gallup, nm">Gallup, NM</option> <option value="flagstaff, az">Flagstaff, AZ</option> <option value="winona, az">Winona</option> <option value="kingman, az">Kingman</option> <option value="barstow, ca">Barstow</option> <option value="san bernardino, ca">San Bernardino</option> <option value="los angeles, ca">Los Angeles</option> </select> <b>End: </b> <select id="end"> <option value="chicago, il">Chicago</option> <option value="st louis, mo">St Louis</option> <option value="joplin, mo">Joplin, MO</option> <option value="oklahoma city, ok">Oklahoma City</option> <option value="amarillo, tx">Amarillo</option> <option value="gallup, nm">Gallup, NM</option> <option value="flagstaff, az">Flagstaff, AZ</option> <option value="winona, az">Winona</option> <option value="kingman, az">Kingman</option> <option value="barstow, ca">Barstow</option> <option value="san bernardino, ca">San Bernardino</option> <option value="los angeles, ca">Los Angeles</option> </select> </div> <div id="map"></div> <script> function initMap() { var directionsService = new google.maps.DirectionsService; var directionsDisplay = new google.maps.DirectionsRenderer; var map = new google.maps.Map(document.getElementById('map'), { zoom: 7, center: {lat: 41.85, lng: -87.65} }); directionsDisplay.setMap(map); var onChangeHandler = function() { calculateAndDisplayRoute(directionsService, directionsDisplay); }; document.getElementById('start').addEventListener('change', onChangeHandler); document.getElementById('end').addEventListener('change', onChangeHandler); } function calculateAndDisplayRoute(directionsService, directionsDisplay) { directionsService.route({ origin: document.getElementById('start').value, destination: document.getElementById('end').value, travelMode: 'DRIVING' }, function(response, status) { if (status === 'OK') { directionsDisplay.setDirections(response); } else { window.alert('Directions request failed due to ' + status); } }); } </script> <script async defer src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap"> </script> </body> </html>