Can you recommend alternatives for the Google Distance Matrix API? This service is great but has some serious quota limitations and the Terms of use are also pretty tough.
Thanks!
MapQuest RouteMatrix is pretty much the same thing: http://www.mapquestapi.com/directions/
Bing's Route Data API may be an alternative you can consider - http://msdn.microsoft.com/en-us/library/ff701718.aspx
I'm not sure if they have the same functionality, but DeCarta ( http://www.decarta.com/ ) has some nice map API stuff for routing / display.
Otherwise you could go for open source stuff like PostGIS with OpenStreetMaps or openrouteservice ( http://openrouteservice.org/ ) there are routing libraries, although I haven't used them extensively myself, so I'm not sure what they have to offer.
Many developers have been able to do this with the Bing Maps REST routing service http://msdn.microsoft.com/en-us/library/ff701705.aspx. It requires a bit more development but works well. Here is an example: http://code.msdn.microsoft.com/Bing-Maps-trip-optimizer-c4e037f7
The GraphHopper Directions API includes a Matrix API. Based on OSM data and very fast. Comes with a JS demo and a Java client. Note: I'm the author.
Also we allow all use cases.
Traveltimeplatform. Just named differently - http://docs.traveltimeplatform.com/reference/time-filter/
来源：https://stackoverflow.com/questions/6163136/google-distance-matrix-api-alternatives