Bihar to Uttarakhand · 687 km · Compare trains, buses & driving options
The straight-line distance from Siwan to Lansdowne is approximately 687 km (427 miles). By road, the distance increases to about 910 km due to terrain, highways, and road networks connecting Bihar to Uttarakhand.
Lansdowne does not have its own commercial airport. The nearest airport is Dehra Dun (DED). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Siwan and Lansdowne with multiple daily services. The journey takes approximately 14 hrs. 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 Lansdowne route. The journey takes approximately 18 hrs 12 min covering ~910 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 Lansdowne BusesThe drive from Siwan to Lansdowne is a long one — approximately 910 km taking around 11 hrs 30 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.