Calculate route from Kalwan Halt (West Bengal, India) to Patna (Bihar, India).

The flight distance (as the crow flies) between Kalwan Halt and Patna is 503.3 km.

Roadmap (route) to go from Kalwan Halt to Patna detailed above, you can also see the course layout on the map.

While doing trip Kalwan Halt - Patna by car, the calculated route ends at a distance , or more straight.