West Bengal to Bihar · 441 km · Compare trains, buses & driving options
The straight-line distance from Kolkata to Supaul is approximately 441 km (274 miles). By road, the distance increases to about 539 km due to terrain, highways, and road networks connecting West Bengal to Bihar.
Supaul does not have its own commercial airport. The nearest airport is Darbhanga (DBR). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Kolkata and Supaul with multiple daily services. The journey takes approximately 8 hrs 18 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 Supaul route. The journey takes approximately 10 hrs 47 min covering ~539 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 Supaul BusesA road trip from Kolkata to Supaul covers approximately 539 km and takes around 7 hrs. 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
Compare live fares, hotels and full trip bundles for your route.