582 km · 6 toll plazas · about 10 h 25 min on the road. Change the vehicle, fuel or mileage below and every number updates.
“est.” = this plaza doesn't publish fees in the NHAI dataset; we use the median fee for your vehicle class.
Coorg to Chennai is a full day on the road of 582 km, mostly on NH75 and NH275.
You cross 6 toll plazas across Karnataka, Tamil Nadu. For a car the published fees add up to ₹475 one way, about ₹0.82 per km. 1 plaza on this route does not publish fees in the NHAI dataset; budget about ₹80 extra to be safe.
States on the way: KarnatakaTamil Nadu
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 | Gananguru | 139 | Karnataka | ₹175 | ₹260 | ₹5,810 | ₹280 | ₹590 | ₹925 |
| 2 | Kaniminini (LHS) | 231 | Karnataka | ₹180 | ₹270 | ₹5,945 | ₹290 | ₹605 | ₹945 |
| 3 | Mysore Road (P5)state | 238 | Karnataka | n/a | — | — | — | — | — |
| 4 | Hoskote | 278 | Karnataka | ₹25 | ₹35 | ₹685 | ₹40 | ₹80 | ₹130 |
| 5 | Chennasamudram | 477 | Tamil Nadu | ₹45 | ₹65 | ₹1,435 | ₹105 | ₹145 | ₹230 |
| 6 | Nemili (Sriperumbudur) | 544 | Tamil Nadu | ₹50 | ₹25 | ₹1,710 | ₹85 | ₹175 | ₹270 |
| Total (published fees) | 582 | ₹475 | ₹655 | ₹800 | ₹1,595 | ₹2,500 |
Totals for all 6 plazas, including our estimate for 1 plaza without published fees. “No FASTag” is the 1.25x UPI rate.
| Vehicle class | One way (FASTag) | Return in 24 h | No FASTag (UPI) |
|---|---|---|---|
| Car / Jeep / Van | ₹555 | ₹815 | ₹694 |
| LCV / Mini bus | ₹925 | ₹1,235 | ₹1,156 |
| Bus / Truck (2 axle) | ₹1,855 | ₹2,590 | ₹2,319 |
| 3-axle commercial | ₹2,090 | ₹3,095 | ₹2,613 |
| 4–6 axle (MAV) | ₹2,915 | ₹4,310 | ₹3,645 |
| 7+ axle (oversized) | ₹3,520 | ₹5,195 | ₹4,401 |
One way, 582 km, at Karnataka prices (petrol ₹111.30/L, diesel ₹99.21/L). Typical highway mileage; change it in the calculator for your car.
| Car type | Petrol | Diesel | CNG | Electric |
|---|---|---|---|---|
| Hatchback | ₹3,596 | ₹2,623 | ₹2,192 | ₹1,454 |
| Sedan | ₹4,316 | ₹3,037 | ₹2,591 | ₹1,662 |
| SUV / MUV | ₹5,885 | ₹4,122 | ₹3,353 | ₹2,115 |
Petrol is cheapest in Tamil Nadu (₹108.78/L) and dearest in Karnataka (₹111.30/L). Filling the ~39 litres you need in Tamil Nadu saves about ₹98 versus buying it all in Karnataka.
For the same sedan, fuel for one way costs ₹4,316 on petrol, ₹3,037 on diesel and about ₹1,662 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 5 crossings one way — worth about ₹77 of pass value against ₹475 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 ₹655 instead of ₹950 — a 31% discount that FASTag applies automatically.
About ₹555 one way with FASTag across 6 plazas — ₹475 in published fees plus ~₹80 estimated for 1 plaza that don't publish rates. A return within 24 hours costs ₹815. Without FASTag you pay 1.25x by UPI: ₹694.
6 on the fastest route: Gananguru, Kaniminini (LHS), Mysore Road (P5), Hoskote, Chennasamudram, Nemili (Sriperumbudur).
About 39 litres for a car doing 15 km/l (₹4,316 at Coorg prices). A hatchback at 18 km/l needs ~32 L; an SUV at 11 km/l needs ~53 L.
Around ₹4,871 one way for a petrol sedan (fuel ₹4,316 + toll ₹555), or ₹9,446 for a same-day return. Split between four people that is ₹1,218 each, one way.
Plan on about 10 h 25 min including short breaks. Free-flowing traffic can do it in 7 h 27 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹1,855, 3-axle ₹2,090, 4–6 axle ₹2,915, 7+ axle ₹3,520 (includes estimates for plazas without published fees).
Yes, plazas charge the same fee in both directions, so the Chennai to Coorg toll is the same ~₹555 for a car. Fuel cost differs only if you fill up at Chennai'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