Sikkim to Bihar · 463 km · Compare trains, buses & driving options
The straight-line distance from Yumthang Valley to Siwan is approximately 463 km (288 miles). By road, the distance increases to about 715 km due to terrain, highways, and road networks connecting Sikkim to Bihar.
Siwan 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 Yumthang Valley and Siwan with multiple daily services. The journey takes approximately 11 hrs. 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 Yumthang Valley to Siwan route. The journey takes approximately 14 hrs 18 min covering ~715 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 Yumthang Valley to Siwan BusesA road trip from Yumthang Valley to Siwan covers approximately 715 km and takes around 9 hrs 44 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