While many private as well as state government buses ply to Gangtok from the Siliguri bus stand, one can prefer hiring a taxi or jeeps to. From the Siliguri bus stand, a journey to Gangtok will take about five to six hours time. Also, various jeeps ply to Gangtok fro Darjeeling, Kalimpong, Siliguri and other places.
Head east on Hyderabad - Janagam Hwy/Koti Women's College Rd/Main Rd
Continue straight onto Hyderabad - Janagam Hwy/Main Rd
Turn left onto NH163
Turn right onto Chaderghat Chota Bridge
Turn left onto NH65
Slight left at Muthoot Finance toward NH65
Merge onto NH65
Keep right to stay on NH65
At Ibrahimpatnam Cir, take the 2nd exit and stay on NH65
Slight left onto Vijayawada Bypass Rd
Turn left toward IRR
Turn left onto IRR
At the roundabout, take the 2nd exit and stay on IRR
At the roundabout, take the 1st exit onto IRR/Nunna Rd
Turn right onto IRR
Continue straight onto NH16
Turn right onto Tanuku Rd
Turn right onto Tadepallegudem Rd
Slight left onto Nidadavole - Narasapuram State Hwy
Make a U-turn
Turn left at Samisragudem Bus Stop 2 onto Kovvuru - Nidadavolu Rd
Turn right onto Dowlaiswaram - Vijjeswaram Rd
At Cotton Barrage Bus Stop, continue onto Main Rd
Turn right onto Agraharam Rd/Dowleswaram Rd
Turn left onto NH16
Turn left onto Chennai - Srikakulam Hwy
Turn right to stay on Chennai - Srikakulam Hwy
Take the ramp onto NH16
Slight right to stay on NH16
Keep left
Turn left onto NH16
Slight right to stay on NH16
Keep right to stay on NH16
Continue straight to stay on NH16
Continue onto NH19
Turn right onto Badshahi Rd/Grand Trunk Rd
Turn right at Sanjay Sweet onto Ahmadpur - Kirnahar - Ramjibanpur Rd/Badshahi Rd/Ramjibanpur - Ketugram - Katwa Rd
Turn right at Barddhaman Station Shoni Mandir onto Ahmadpur - Kirnahar - Ramjibanpur Rd/Badshahi Rd/Burdwan - Nabadwip Rd/Railway Overbridge/Ramjibanpur - Ketugram - Katwa Rd
Continue straight onto Ahmadpur - Kirnahar - Ramjibanpur Rd/Badshahi Rd/Belgram - Bolgona - Kanla Rd/Belgram - Bolgona - Mahartuba - Kanla Rd/Ramjibanpur - Ketugram - Katwa Rd/SH 7
Turn right at Moregram Check Post onto NH14
Turn left onto NH114A/NH12
Turn right onto Botolbari - Rasakhowa Rd
Continue onto Goagoan (Naya Hat) - Rudel Rd
Turn right at Siraj Tyre & Tube ( automobile With Two Wheeler Repair Garage Centre ) onto Goagoan (Naya Hat) to Goagoan (Purana Hat) road
Turn left onto Goagaon Rd
Continue onto Shahpur-Goagaon Rd
Merge onto Rasakhowa - Dhantola Rd
Turn right onto NH27
Turn right at Bagdogra Bihar More to stay on NH27
Continue straight past Sree Krishna Pharmacy to stay on NH27
Slight left onto NH10
Continue straight to stay on NH10
Turn left at Traffic Point to stay on NH10
Turn left onto Gangtok - Rangpo Rd/NH10
Keep right to continue on Indira Bypass Rd/Ranka Rd