Bihar to Assam · 994 km · Compare trains, buses & driving options
The straight-line distance from Patna to Dibrugarh is approximately 994 km (618 miles). By road, the distance increases to about 1,272 km due to terrain, highways, and road networks connecting Bihar to Assam.
Dibrugarh does not have its own commercial airport. The nearest airport is JRH. Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Patna and Dibrugarh with multiple daily services. The journey takes approximately 19 hrs 34 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 Patna to Dibrugarh route. The journey takes approximately 25 hrs 26 min covering ~1,272 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 Patna to Dibrugarh BusesThe drive from Patna to Dibrugarh is a long one — approximately 1,272 km taking around 15 hrs 12 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