This tag points to the questions about duration of travels (travel time studies) using google-api or other similar apis, O/D graphs, road networks, etc.
There are many ways to get/calculate travel time using online or offline databases. Using google-api is the most popular one. Using online websites like Mapnificent.net or TravelTimePlatform.com may meet your need. Please check these resources before posting a question. Moreover, to use TravelTimePlatform api to get time related data refer to TravelTimePlatform Developer Guide.