West Bengal to Bihar · 522 km · Compare trains, buses & driving options
The straight-line distance from Krishnanagar to Siwan is approximately 522 km (324 miles). By road, the distance increases to about 660 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 Krishnanagar and Siwan with multiple daily services. The journey takes approximately 10 hrs 9 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 Krishnanagar to Siwan route. The journey takes approximately 13 hrs 12 min covering ~660 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 Krishnanagar to Siwan BusesThe drive from Krishnanagar to Siwan is a long one — approximately 660 km taking around 8 hrs 15 min. Plan at least one overnight halt. Fatigue driving on Indian highways is dangerous.
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
Flights, hotels, buses and trip bundles — honest prices.