Bihar to Delhi · 754 km · Compare trains, buses & driving options
The straight-line distance from Siwan to Delhi is approximately 754 km (469 miles). By road, the distance increases to about 872 km due to terrain, highways, and road networks connecting Bihar to Delhi.
Indian Railways connects Siwan and Delhi with multiple daily services. The journey takes approximately 13 hrs 25 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 Siwan to Delhi route. The journey takes approximately 17 hrs 26 min covering ~872 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 Siwan to Delhi BusesThe drive from Siwan to Delhi is a long one — approximately 872 km taking around 10 hrs 34 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