Bihar to Assam · 318 km · Compare trains, buses & driving options
The straight-line distance from Purnia to Bongaigaon is approximately 318 km (198 miles). By road, the distance increases to about 418 km due to terrain, highways, and road networks connecting Bihar to Assam.
Bongaigaon does not have its own commercial airport. The nearest airport is Guwahati (GAU). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Purnia and Bongaigaon with multiple daily services. The journey takes approximately 7 hrs 36 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 Purnia to Bongaigaon route. The journey takes approximately 9 hrs 17 min covering ~418 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 Purnia to Bongaigaon BusesA road trip from Purnia to Bongaigaon covers approximately 418 km and takes around 5 hrs 3 min. Start early to make the most of daylight hours.
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