475 km · 4 toll plazas · about 8 h 10 min on the road. Change the vehicle, fuel or mileage below and every number updates.
Gangtok to Muzaffarpur is a full day on the road of 475 km.
You cross 4 toll plazas across Sikkim, West Bengal, Bihar. For a car the published fees add up to ₹465 one way, about ₹0.98 per km.
States on the way: SikkimWest BengalBihar
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 | Satbhaiya | 132 | West Bengal | ₹65 | ₹100 | ₹2,195 | ₹105 | ₹225 | ₹350 |
| 2 | Asanpur | 325 | Bihar | ₹110 | ₹170 | ₹3,725 | ₹180 | ₹380 | ₹595 |
| 3 | Raje (Old Naraur) | 383 | Bihar | ₹145 | ₹215 | ₹4,815 | ₹235 | ₹490 | ₹765 |
| 4 | Maithi | 446 | Bihar | ₹145 | ₹220 | ₹4,915 | ₹240 | ₹500 | ₹785 |
| Total (published fees) | 475 | ₹465 | ₹705 | ₹760 | ₹1,595 | ₹2,495 |
Totals for all 4 plazas. “No FASTag” is the 1.25x UPI rate.
| Vehicle class | One way (FASTag) | Return in 24 h | No FASTag (UPI) |
|---|---|---|---|
| Car / Jeep / Van | ₹465 | ₹705 | ₹581 |
| LCV / Mini bus | ₹760 | ₹1,135 | ₹950 |
| Bus / Truck (2 axle) | ₹1,595 | ₹2,385 | ₹1,994 |
| 3-axle commercial | ₹1,735 | ₹2,600 | ₹2,169 |
| 4–6 axle (MAV) | ₹2,495 | ₹3,740 | ₹3,119 |
| 7+ axle (oversized) | ₹3,035 | ₹4,555 | ₹3,794 |
One way, 475 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 | ₹2,877 | ₹2,098 | ₹1,735 | ₹1,187 |
| Sedan | ₹3,453 | ₹2,429 | ₹2,051 | ₹1,357 |
| SUV / MUV | ₹4,708 | ₹3,297 | ₹2,654 | ₹1,727 |
Petrol is cheapest in Sikkim (₹109.06/L) and dearest in Bihar (₹114.33/L). Filling the ~32 litres you need in Sikkim saves about ₹167 versus buying it all in Bihar.
For the same sedan, fuel for one way costs ₹3,453 on petrol, ₹2,429 on diesel and about ₹1,357 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 4 crossings one way — worth about ₹62 of pass value against ₹465 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 ₹705 instead of ₹930 — a 24% discount that FASTag applies automatically.
About ₹465 one way with FASTag across 4 plazas. A return within 24 hours costs ₹705. Without FASTag you pay 1.25x by UPI: ₹581.
4 on the fastest route: Satbhaiya, Asanpur, Raje (Old Naraur), Maithi.
About 32 litres for a car doing 15 km/l (₹3,453 at Gangtok prices). A hatchback at 18 km/l needs ~26 L; an SUV at 11 km/l needs ~43 L.
Around ₹3,918 one way for a petrol sedan (fuel ₹3,453 + toll ₹465), or ₹7,610 for a same-day return. Split between four people that is ₹979 each, one way.
Plan on about 8 h 10 min including short breaks. Free-flowing traffic can do it in 5 h 53 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹1,595, 3-axle ₹1,735, 4–6 axle ₹2,495, 7+ axle ₹3,035.
Yes, plazas charge the same fee in both directions, so the Muzaffarpur to Gangtok toll is the same ~₹465 for a car. Fuel cost differs only if you fill up at Muzaffarpur'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