Call MapQuest API

Posted on 2013-04-09
Last Modified: 2015-04-09
Need to call MapQuest Geocoding API and get the distance between 2 locations?
Question by:triplebd69
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LVL 16

Accepted Solution

Rose Babu earned 500 total points
ID: 39064923
Here is the javascript MapQuest API to get the direction

are you looking for a direction map or the just value between two location?

also here is a webservice for your need

this page has all the details about the webservice.

hope this will help you...

Author Comment

ID: 39066550
I have looked at this, but calling it via my C# code and parsing the XML is my issue?
LVL 16

Expert Comment

by:Rose Babu
ID: 39072712
what are all the Common URL Parameters you using in your c# code? is the outFormat xml or json?

can you give me your sample url without key value. also what error you are getting while parsing the response?

Expert Comment

ID: 40716121
Here is some php code that will do the job if that helps?

      function distance($lat1, $lon1, $lat2, $lon2, $unit) {
        $theta = $lon1 - $lon2;
        $dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) +  cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta));
        $dist = acos($dist);
        $dist = rad2deg($dist);
        $miles = $dist * 60 * 1.1515;
        $unit = strtoupper($unit);
        if ($unit == "K") {
          return ($miles * 1.609344);
        else if ($unit == "N") {
            return ($miles * 0.8684);
        else if ($unit == "Y") {
            return ($miles * 1760);
            else {
              return $miles;
      echo distance(50.850, -0.75838, 50.850, -0.85838, "M") . " Miles<br>";
      echo intval(distance(50.840, -0.89838, 50.849, -0.89838, "Y")) . " Yards<br>";
      echo distance(53.632293, -0.89838, 53.623393, -0.89838, "K") . " Kilometers<br>";
      echo distance(50.84316, -0.89838, 50.84317, -0.89838, "N") . " Nautical Miles<br>";

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