Kolkata → Guwahati
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West Bengal to Assam · 488 km · Compare trains, buses & driving options
The straight-line distance from Kolkata to Bongaigaon is approximately 488 km (303 miles). By road, the distance increases to about 819 km due to terrain, highways, and road networks connecting West Bengal 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 Kolkata and Bongaigaon with multiple daily services. The journey takes approximately 12 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 Kolkata to Bongaigaon route. The journey takes approximately 16 hrs 23 min covering ~819 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 Kolkata to Bongaigaon BusesA road trip from Kolkata to Bongaigaon covers approximately 819 km and takes around 10 hrs 24 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
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