Guwahati → Deoghar
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Assam to Bihar · 422 km · Compare trains, buses & driving options
The straight-line distance from Guwahati to Katihar is approximately 422 km (262 miles). By road, the distance increases to about 603 km due to terrain, highways, and road networks connecting Assam to Bihar.
Katihar does not have its own commercial airport. The nearest airport is Deoghar (DGH). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Guwahati and Katihar with multiple daily services. The journey takes approximately 9 hrs 17 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 Guwahati to Katihar route. The journey takes approximately 12 hrs 4 min covering ~603 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 Guwahati to Katihar BusesA road trip from Guwahati to Katihar covers approximately 603 km and takes around 7 hrs 21 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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