Sikkim to Bihar · 440 km · Compare trains, buses & driving options
The straight-line distance from Gangtok to Arrah is approximately 440 km (273 miles). By road, the distance increases to about 606 km due to terrain, highways, and road networks connecting Sikkim to Bihar.
Arrah does not have its own commercial airport. The nearest airport is PAT. Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Gangtok and Arrah with multiple daily services. The journey takes approximately 9 hrs 19 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 Gangtok to Arrah route. The journey takes approximately 12 hrs 7 min covering ~606 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 Gangtok to Arrah BusesA road trip from Gangtok to Arrah covers approximately 606 km and takes around 7 hrs 28 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