Uttar Pradesh to Bihar · 648 km · Compare trains, buses & driving options
The straight-line distance from Aligarh to Siwan is approximately 648 km (403 miles). By road, the distance increases to about 725 km due to terrain, highways, and road networks connecting Uttar Pradesh 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 Aligarh and Siwan with multiple daily services. The journey takes approximately 11 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 Aligarh to Siwan route. The journey takes approximately 14 hrs 30 min covering ~725 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 Aligarh to Siwan BusesThe drive from Aligarh to Siwan is a long one — approximately 725 km taking around 8 hrs 47 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.