Himachal Pradesh to Bihar · 840 km · Compare trains, buses & driving options
The straight-line distance from Nako to Siwan is approximately 840 km (522 miles). By road, the distance increases to about 1,425 km due to terrain, highways, and road networks connecting Himachal 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 Nako and Siwan with multiple daily services. The journey takes approximately 21 hrs 55 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 Nako to Siwan route. The journey takes approximately 28 hrs 30 min covering ~1,425 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 Nako to Siwan BusesThe drive from Nako to Siwan is a long one — approximately 1,425 km taking around 19 hrs 46 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