519 km · 6 toll plazas · about 8 h 40 min on the road. Change the vehicle, fuel or mileage below and every number updates.
The road distance from Gangtok to Guwahati is 519 km via NH27, NH427 — a long day that needs an early start.
You cross 6 toll plazas across Sikkim, West Bengal, Assam. For a car the published fees add up to ₹460 one way, about ₹0.89 per km.
States on the way: SikkimWest BengalAssam
Fees for a single journey with FASTag. Return fees apply when you come back through the same plaza within 24 hours; a monthly pass covers 50 single journeys in a month.
| # | Toll plaza | At km | State | Car single | Car return | Car monthly | LCV | Bus/Truck | Multi-axle |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Sulkhapara | 141 | West Bengal | ₹70 | ₹105 | ₹2,280 | ₹110 | ₹230 | ₹365 |
| 2 | Rangalibazna | 188 | West Bengal | ₹85 | ₹130 | ₹2,870 | ₹140 | ₹290 | ₹455 |
| 3 | Guabari | 262 | West Bengal | ₹55 | ₹80 | ₹1,765 | ₹85 | ₹180 | ₹280 |
| 4 | Telipara | 282 | Assam | ₹50 | ₹75 | ₹1,645 | ₹80 | ₹165 | ₹260 |
| 5 | Patgaon | 324 | Assam | ₹105 | ₹160 | ₹3,565 | ₹175 | ₹360 | ₹570 |
| 6 | Dahalapara | 376 | Assam | ₹95 | ₹140 | ₹3,125 | ₹150 | ₹315 | ₹500 |
| Total (published fees) | 519 | ₹460 | ₹690 | ₹740 | ₹1,540 | ₹2,430 |
Totals for all 6 plazas. “No FASTag” is the 1.25x UPI rate.
| Vehicle class | One way (FASTag) | Return in 24 h | No FASTag (UPI) |
|---|---|---|---|
| Car / Jeep / Van | ₹460 | ₹690 | ₹576 |
| LCV / Mini bus | ₹740 | ₹1,110 | ₹926 |
| Bus / Truck (2 axle) | ₹1,540 | ₹2,320 | ₹1,926 |
| 3-axle commercial | ₹1,685 | ₹2,535 | ₹2,107 |
| 4–6 axle (MAV) | ₹2,430 | ₹3,640 | ₹3,038 |
| 7+ axle (oversized) | ₹2,950 | ₹4,435 | ₹3,688 |
One way, 519 km, at Sikkim prices (petrol ₹109.06/L, diesel ₹97.20/L). Typical highway mileage; change it in the calculator for your car.
| Car type | Petrol | Diesel | CNG | Electric |
|---|---|---|---|---|
| Hatchback | ₹3,145 | ₹2,293 | ₹1,897 | ₹1,298 |
| Sedan | ₹3,774 | ₹2,655 | ₹2,241 | ₹1,483 |
| SUV / MUV | ₹5,146 | ₹3,604 | ₹2,901 | ₹1,887 |
Petrol is cheapest in Assam (₹106.07/L) and dearest in West Bengal (₹113.81/L). Filling the ~35 litres you need in Assam saves about ₹268 versus buying it all in West Bengal.
For the same sedan, fuel for one way costs ₹3,774 on petrol, ₹2,655 on diesel and about ₹1,483 on electric (public fast charging at ₹20/kWh; home charging is far cheaper). An EV with ~350 km real range needs about 1 charging stop on the way.
The pass costs ₹3,075 for 200 crossings (₹15.38 per crossing) on NHAI plazas. This trip uses 6 crossings one way — worth about ₹92 of pass value against ₹460 in regular fees. If you drive highways often, the pass pays off on this route.
Return within 24 hours and the car toll for the round trip is ₹690 instead of ₹920 — a 25% discount that FASTag applies automatically.
About ₹460 one way with FASTag across 6 plazas. A return within 24 hours costs ₹690. Without FASTag you pay 1.25x by UPI: ₹576.
6 on the fastest route: Sulkhapara, Rangalibazna, Guabari, Telipara, Patgaon, Dahalapara.
About 35 litres for a car doing 15 km/l (₹3,774 at Gangtok prices). A hatchback at 18 km/l needs ~29 L; an SUV at 11 km/l needs ~47 L.
Around ₹4,234 one way for a petrol sedan (fuel ₹3,774 + toll ₹460), or ₹8,238 for a same-day return. Split between four people that is ₹1,058 each, one way.
Plan on about 8 h 40 min including short breaks. Free-flowing traffic can do it in 6 h 16 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹1,540, 3-axle ₹1,685, 4–6 axle ₹2,430, 7+ axle ₹2,950.
Yes, plazas charge the same fee in both directions, so the Guwahati to Gangtok toll is the same ~₹460 for a car. Fuel cost differs only if you fill up at Guwahati'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