West Bengal to Bihar · 368 km · Compare trains, buses & driving options
The straight-line distance from Kolkata to Purnia is approximately 368 km (229 miles). By road, the distance increases to about 445 km due to terrain, highways, and road networks connecting West Bengal to Bihar.
Purnia does not have its own commercial airport. The nearest airport is IXB. Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Kolkata and Purnia with multiple daily services. The journey takes approximately 8 hrs 5 min. Rajdhani and Shatabdi express trains are faster, while mail and passenger trains make more stops but cost less.
Book in advance through IRCTC, especially during festivals and holidays when seats fill up quickly.
Check Trains on IRCTCBus travel is a popular and affordable option for the Kolkata to Purnia route. The journey takes approximately 9 hrs 53 min covering ~445 km. Both government and private operators service this route.
Night buses are popular for this distance — travel while you sleep and arrive fresh at your destination.
Search Kolkata to Purnia BusesA road trip from Kolkata to Purnia covers approximately 445 km and takes around 5 hrs 56 min. Start early to make the most of daylight hours.
For official travel information, regulations, and booking services:
IRCTC — Indian Railway Catering and Tourism Corporation — Book train tickets online
Airports Authority of India — Airport information and flight status
DGCA — Directorate General of Civil Aviation — Indian aviation regulator
Incredible India — Official tourism portal of India