The Sikkim National Transport Bus and other four wheeler taxi serve the means of transport in the East District and connectivity to other district and neighbouring state like West Bengal. Gangtok is connected by road with Darjeeling, Kalimpong, Siliguri and also with all the district head quarters within Sikkim. The total distance of National Highway is East district is 40 kms, State highway is 250 km, major district road is 40 km and other district road is 845 km.
The distance from Gangtok to district headquarter south (Namchi) is 75.9 km and it takes approximately 1 hour 33 minutes, to district headquarter North (Mangan) is 51.7 km taking approximately 1 hour 36 minutes , to district headquarter West (Gyalshing) is 121.8 km taking approximately 2 hours 10 minutes for travel. Taxis ply routes around the city, and there are standard charges within the main areas.
The nearest airport to East district is Pakyong (Sikkim) which is around 32 km from Gangtok. From there one can hire a taxi or bus service to come up to Gangtok. Another airport at Bagdogra(West bengal.The distance from Bagdogra to Gangtok is 124.5 km and it takes approximately 4 hours to reach Gangtok. Helicopter/ Chopper services are also available from Bagdogra to Gangtok.. .
The nearest railway station to Gangtok are Siliguri (113 km) and New Jalpaiguri (125 km) connecting Kolkata, Delhi and other important cites of the country. Rail connectivity is under construction between Rangpo in Sikkim to Siliguri in West Bengal.
From Bagdogra Airport and New Jalpaiguri or Siliguri railway stations one can hire a taxi Siliguri bus stand. From there, one has the option to travel to Gangtok by Sikkim Nationalised Transport Buses, roughly a 5-6 hour journey. Luxury taxis/normal taxis also which can be booked at the airport or railway stations or by tour and travel operators.