Calculating driving distance in iPhone

Question

Hi,

I need to find the driving distance between 2 locations. I do not need to display the directions in a map, just need to calculate the distance, which I need to use in my application.

Does MapKit allow this? Is there an alternative that can be used?

I am able to get forward geo-coding using CloudMade, but there doesn't seem to be an option to obtain driving distance.

Appreciate any help.

Answer 1

CloudMade also offers driving directions. If you are only interested in the distance, simply ignore the instructions.

An API-Call looks like this:

http://navigation.cloudmade.com/YOUR-API-KEY-GOES-HERE/api/0.3/47.25976,9.58423,47.26117,9.59882/car/shortest.js

and the JSON includes

....
route_summary: {
total_distance: Distance in meters,...

Source

Answer 2

Found this in Google Groups, is that helpful?

http://groups.google.com/group/google-maps-api/msg/4dc2fad4f74e3314?pli=1