690 km · 9 toll plazas · about 12 h 10 min on the road. Change the vehicle, fuel or mileage below and every number updates.
Gangtok to Kolkata is a full day on the road of 690 km, mostly on NH12 and NH27.
You cross 9 toll plazas across Sikkim, West Bengal. For a car the published fees add up to ₹950 one way, about ₹1.38 per km, which is on the expensive side for Indian highways.
States on the way: SikkimWest Bengal
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 | Paschim Madati | 138 | West Bengal | ₹100 | ₹150 | ₹3,325 | ₹160 | ₹340 | ₹530 |
| 2 | Surjapur | 237 | West Bengal | ₹105 | ₹160 | ₹3,535 | ₹170 | ₹360 | ₹565 |
| 3 | Barai | 283 | West Bengal | ₹110 | ₹165 | ₹3,710 | ₹180 | ₹375 | ₹590 |
| 4 | Chakseherdi (Gazole) Bagsarai | 341 | West Bengal | ₹65 | ₹100 | ₹2,195 | ₹105 | ₹225 | ₹350 |
| 5 | Lakshmipur (Eighteen Mile ) | 394 | West Bengal | ₹145 | ₹220 | ₹4,885 | ₹230 | ₹470 | ₹720 |
| 6 | Kishorpur (Chandermore) | 431 | West Bengal | ₹75 | ₹115 | ₹2,540 | ₹125 | ₹260 | ₹405 |
| 7 | Gopgram (Shibpur) | 485 | West Bengal | ₹130 | ₹195 | ₹4,360 | ₹205 | ₹415 | ₹635 |
| 8 | Sali Bamandanga | 551 | West Bengal | ₹105 | ₹155 | ₹3,460 | ₹170 | ₹350 | ₹550 |
| 9 | Ayespur | 638 | West Bengal | ₹115 | ₹170 | ₹3,800 | ₹170 | ₹350 | ₹550 |
| Total (published fees) | 690 | ₹950 | ₹1,430 | ₹1,515 | ₹3,145 | ₹4,895 |
Totals for all 9 plazas. “No FASTag” is the 1.25x UPI rate.
| Vehicle class | One way (FASTag) | Return in 24 h | No FASTag (UPI) |
|---|---|---|---|
| Car / Jeep / Van | ₹950 | ₹1,430 | ₹1,188 |
| LCV / Mini bus | ₹1,515 | ₹2,260 | ₹1,895 |
| Bus / Truck (2 axle) | ₹3,145 | ₹4,705 | ₹3,933 |
| 3-axle commercial | ₹4,050 | ₹6,070 | ₹5,064 |
| 4–6 axle (MAV) | ₹4,895 | ₹7,335 | ₹6,121 |
| 7+ axle (oversized) | ₹6,035 | ₹9,055 | ₹7,545 |
One way, 690 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 | ₹4,183 | ₹3,050 | ₹2,523 | ₹1,726 |
| Sedan | ₹5,020 | ₹3,532 | ₹2,981 | ₹1,973 |
| SUV / MUV | ₹6,845 | ₹4,794 | ₹3,858 | ₹2,511 |
Petrol is cheapest in Sikkim (₹109.06/L) and dearest in West Bengal (₹113.81/L). Filling the ~46 litres you need in Sikkim saves about ₹219 versus buying it all in West Bengal.
For the same sedan, fuel for one way costs ₹5,020 on petrol, ₹3,532 on diesel and about ₹1,973 on electric (public fast charging at ₹20/kWh; home charging is far cheaper). An EV with ~350 km real range needs about 2 charging stops on the way.
The pass costs ₹3,075 for 200 crossings (₹15.38 per crossing) on NHAI plazas. This trip uses 9 crossings one way — worth about ₹138 of pass value against ₹950 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 ₹1,430 instead of ₹1,900 — a 25% discount that FASTag applies automatically.
About ₹950 one way with FASTag across 9 plazas. A return within 24 hours costs ₹1,430. Without FASTag you pay 1.25x by UPI: ₹1,188.
9 on the fastest route: Paschim Madati, Surjapur, Barai, Chakseherdi (Gazole) Bagsarai, Lakshmipur (Eighteen Mile ), Kishorpur (Chandermore), Gopgram (Shibpur), Sali Bamandanga, Ayespur.
About 46 litres for a car doing 15 km/l (₹5,020 at Gangtok prices). A hatchback at 18 km/l needs ~38 L; an SUV at 11 km/l needs ~63 L.
Around ₹5,970 one way for a petrol sedan (fuel ₹5,020 + toll ₹950), or ₹11,470 for a same-day return. Split between four people that is ₹1,492 each, one way.
Plan on about 12 h 10 min including short breaks. Free-flowing traffic can do it in 8 h 48 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹3,145, 3-axle ₹4,050, 4–6 axle ₹4,895, 7+ axle ₹6,035.
Yes, plazas charge the same fee in both directions, so the Kolkata to Gangtok toll is the same ~₹950 for a car. Fuel cost differs only if you fill up at Kolkata'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