846 km · 9 toll plazas · about 14 h 20 min on the road. Change the vehicle, fuel or mileage below and every number updates.
Patna to Guwahati is a long-haul trip best split over two days of 846 km, mostly on NH27.
You cross 9 toll plazas across Bihar, West Bengal, Assam. For a car the published fees add up to ₹785 one way, about ₹0.93 per km.
At 14 h 20 min of realistic driving time, plan an overnight halt roughly halfway — two drivers sharing the wheel is the safer option if you must do it in one day.
States on the way: BiharWest 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 | Raje (Old Naraur) | 156 | Bihar | ₹145 | ₹215 | ₹4,815 | ₹235 | ₹490 | ₹765 |
| 2 | Asanpur | 215 | Bihar | ₹110 | ₹170 | ₹3,725 | ₹180 | ₹380 | ₹595 |
| 3 | Satbhaiya | 408 | West Bengal | ₹65 | ₹100 | ₹2,195 | ₹105 | ₹225 | ₹350 |
| 4 | Panikauri | 451 | West Bengal | ₹90 | ₹140 | ₹3,060 | ₹150 | ₹310 | ₹485 |
| 5 | Husludanga | 495 | West Bengal | ₹70 | ₹100 | ₹2,265 | ₹110 | ₹230 | ₹360 |
| 6 | Guabari | 589 | West Bengal | ₹55 | ₹80 | ₹1,765 | ₹85 | ₹180 | ₹280 |
| 7 | Telipara | 609 | Assam | ₹50 | ₹75 | ₹1,645 | ₹80 | ₹165 | ₹260 |
| 8 | Patgaon | 650 | Assam | ₹105 | ₹160 | ₹3,565 | ₹175 | ₹360 | ₹570 |
| 9 | Dahalapara | 702 | Assam | ₹95 | ₹140 | ₹3,125 | ₹150 | ₹315 | ₹500 |
| Total (published fees) | 846 | ₹785 | ₹1,180 | ₹1,270 | ₹2,655 | ₹4,165 |
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 | ₹785 | ₹1,180 | ₹983 |
| LCV / Mini bus | ₹1,270 | ₹1,900 | ₹1,589 |
| Bus / Truck (2 axle) | ₹2,655 | ₹3,985 | ₹3,320 |
| 3-axle commercial | ₹2,895 | ₹4,350 | ₹3,620 |
| 4–6 axle (MAV) | ₹4,165 | ₹6,245 | ₹5,207 |
| 7+ axle (oversized) | ₹5,070 | ₹7,615 | ₹6,338 |
One way, 846 km, at Bihar prices (petrol ₹114.33/L, diesel ₹100.28/L). Typical highway mileage; change it in the calculator for your car.
| Car type | Petrol | Diesel | CNG | Electric |
|---|---|---|---|---|
| Hatchback | ₹5,374 | ₹3,856 | ₹3,026 | ₹2,115 |
| Sedan | ₹6,448 | ₹4,465 | ₹3,576 | ₹2,417 |
| SUV / MUV | ₹8,793 | ₹6,060 | ₹4,628 | ₹3,076 |
Petrol is cheapest in Assam (₹106.07/L) and dearest in Bihar (₹114.33/L). Filling the ~56 litres you need in Assam saves about ₹466 versus buying it all in Bihar.
For the same sedan, fuel for one way costs ₹6,448 on petrol, ₹4,465 on diesel and about ₹2,417 on electric (public fast charging at ₹20/kWh; home charging is far cheaper). An EV with ~350 km real range needs about 3 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 ₹785 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 ₹1,180 instead of ₹1,570 — a 25% discount that FASTag applies automatically.
About ₹785 one way with FASTag across 9 plazas. A return within 24 hours costs ₹1,180. Without FASTag you pay 1.25x by UPI: ₹983.
9 on the fastest route: Raje (Old Naraur), Asanpur, Satbhaiya, Panikauri, Husludanga, Guabari, Telipara, Patgaon, Dahalapara.
About 56 litres for a car doing 15 km/l (₹6,448 at Patna prices). A hatchback at 18 km/l needs ~47 L; an SUV at 11 km/l needs ~77 L.
Around ₹7,233 one way for a petrol sedan (fuel ₹6,448 + toll ₹785), or ₹14,076 for a same-day return. Split between four people that is ₹1,808 each, one way.
Plan on about 14 h 20 min including short breaks. Free-flowing traffic can do it in 10 h 14 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹2,655, 3-axle ₹2,895, 4–6 axle ₹4,165, 7+ axle ₹5,070.
Yes, plazas charge the same fee in both directions, so the Guwahati to Patna toll is the same ~₹785 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