Illinois to Sikkim · 12,309 km · Compare travel & driving options
The straight-line distance from Chicago to Gangtok is approximately 12,309 km (7,648 miles). By road, the distance increases to about 2,574 km due to terrain, highways, and road networks connecting Illinois 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 AirportFor official travel information, regulations, and booking services:
DGCA — Indian aviation authority
Passport Seva — Passport and travel documents