Google implemented a number of changes to its Maps API Standard Plan. Apps created on or after June 22nd will be subject to a host of new rules surrounding access and limits. Active domains utilizing the APIs prior to June 22nd are grandfathered in to differing degrees depending on implementation.
Microsoft has launched the Bing Maps Distance Matrix API which returns the travel times and distances between a set of origins and destinations. The API can be used in applications to solve the Traveling Salesman Problem and Vehicle Routing Problem returning the best route for a set of locations.