West Bengal to Bihar · 406 km · Compare trains, buses & driving options
The straight-line distance from Siliguri to Siwan is approximately 406 km (252 miles). By road, the distance increases to about 510 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 Patna (PAT). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Siliguri and Siwan with multiple daily services. The journey takes approximately 7 hrs 51 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 Siliguri to Siwan route. The journey takes approximately 10 hrs 12 min covering ~510 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 Siliguri to Siwan BusesA road trip from Siliguri to Siwan covers approximately 510 km and takes around 6 hrs 13 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