Patna → Siliguri
Search live fares, hotels or plan the whole trip
Bihar to Sikkim · 395 km · Compare trains, buses & driving options
The straight-line distance from Patna to Gangtok is approximately 395 km (245 miles). By road, the distance increases to about 564 km due to terrain, highways, and road networks connecting Bihar to Sikkim.
Gangtok does not have its own commercial airport. The nearest airport is Bagdogra (IXB). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Patna and Gangtok with multiple daily services. The journey takes approximately 8 hrs 41 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 Gangtok route. The journey takes approximately 11 hrs 17 min covering ~564 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 Gangtok BusesA road trip from Patna to Gangtok covers approximately 564 km and takes around 6 hrs 49 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
Compare live fares, hotels and full trip bundles for your route.