114 km · 0 toll plazas · about 1 h 55 min on the road. Change the vehicle, fuel or mileage below and every number updates.
The road distance from Siliguri to Gangtok is 114 km via NH10 — an easy day trip.
Our data shows no toll plazas on the fastest route, so the cost of the drive is essentially fuel.
Gangtok is a hill destination: the last stretch climbs ghat roads, where mileage drops by roughly 15–25% and speeds fall sharply. Our fuel figures use flat-road mileage, so add a buffer.
States on the way: West BengalSikkim
The fastest route has no toll plazas.
One way, 114 km, at West Bengal prices (petrol ₹113.81/L, diesel ₹100.12/L). Typical highway mileage; change it in the calculator for your car.
| Car type | Petrol | Diesel | CNG | Electric |
|---|---|---|---|---|
| Hatchback | ₹723 | ₹521 | ₹453 | ₹286 |
| Sedan | ₹868 | ₹603 | ₹536 | ₹327 |
| SUV / MUV | ₹1,183 | ₹818 | ₹693 | ₹416 |
Petrol is cheapest in Sikkim (₹109.06/L) and dearest in West Bengal (₹113.81/L). Filling the ~8 litres you need in Sikkim saves about ₹36 versus buying it all in West Bengal.
For the same sedan, fuel for one way costs ₹868 on petrol, ₹603 on diesel and about ₹327 on electric (public fast charging at ₹20/kWh; home charging is far cheaper).
Nothing on the fastest route — our data shows no toll plazas between Siliguri and Gangtok.
None on the fastest route, according to NHAI's plaza list.
About 8 litres for a car doing 15 km/l (₹868 at Siliguri prices). A hatchback at 18 km/l needs ~6 L; an SUV at 11 km/l needs ~10 L.
Around ₹868 one way for a petrol sedan (fuel ₹868 + toll ₹0), or ₹1,736 for a same-day return. Split between four people that is ₹217 each, one way.
Plan on about 1 h 55 min including short breaks. Free-flowing traffic can do it in 1 h 28 min, but towns, trucks and plaza queues usually add time.
No toll plazas sit on the fastest route, so commercial vehicles pay no toll either.
Yes, plazas charge the same fee in both directions, so the Gangtok to Siliguri toll is the same ~₹0 for a car. Fuel cost differs only if you fill up at Gangtok's state price.
Fees are revised every 1 April and some plazas change mid-year, so treat results as a close estimate. Spotted a wrong fee or a missing plaza? Tell us — we fix reported errors within 72 hours and log them on our corrections page.
Built and maintained by Nikhil Shrivastava. Full method: how the calculator works.
Last updated: 24 October 2026