Calculate route from Siwān (Bihar, India) to Purnia (Bihar, India).
The flight distance (as the crow flies) between Siwān and Purnia is 315.3 km.
Roadmap (route) to go from Siwān to Purnia detailed above, you can also see the course layout on the map.
While doing trip Siwān - Purnia by car, the calculated route ends at a distance , or more straight.