West Bengal to Bihar · 408 km · Compare trains, buses & driving options
The straight-line distance from New Jalpaiguri to Siwan is approximately 408 km (254 miles). By road, the distance increases to about 512 km due to terrain, highways, and road networks connecting West Bengal to Bihar.
Siwan does not have its own commercial airport. The nearest airport is PAT. Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects New Jalpaiguri and Siwan with multiple daily services. The journey takes approximately 7 hrs 53 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 New Jalpaiguri to Siwan route. The journey takes approximately 10 hrs 14 min covering ~512 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 New Jalpaiguri to Siwan BusesA road trip from New Jalpaiguri to Siwan covers approximately 512 km and takes around 6 hrs 16 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