Bihar to Assam · 863 km · Compare trains, buses & driving options
The straight-line distance from Siwan to Haflong is approximately 863 km (536 miles). By road, the distance increases to about 1,235 km due to terrain, highways, and road networks connecting Bihar to Assam.
Haflong does not have its own commercial airport. The nearest airport is Dimapur (DMU). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Siwan and Haflong with multiple daily services. The journey takes approximately 19 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 Haflong route. The journey takes approximately 24 hrs 42 min covering ~1,235 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 Haflong BusesThe drive from Siwan to Haflong is a long one — approximately 1,235 km taking around 15 hrs 45 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.