529 km · 3 toll plazas · about 10 h 5 min on the road. Change the vehicle, fuel or mileage below and every number updates.
The road distance from Thanjavur to Coorg is 529 km via NH275, SH79 — a long day that needs an early start.
You cross 3 toll plazas across Tamil Nadu, Karnataka. For a car the published fees add up to ₹205 one way, about ₹0.39 per km, cheaper than most highway corridors.
Coorg is a hill destination: the last stretch climbs ghat roads, where mileage drops by roughly 15–25% and speeds fall sharply. Our fuel figures use flat-road mileage, so add a buffer.
States on the way: Tamil NaduKarnataka
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 | Mettupatti | 161 | Tamil Nadu | ₹65 | ₹95 | ₹1,930 | ₹115 | ₹225 | ₹360 |
| 2 | Omallur | 193 | Tamil Nadu | ₹95 | ₹145 | ₹2,915 | ₹170 | ₹340 | ₹545 |
| 3 | Yeddore | 384 | Karnataka | ₹45 | ₹70 | ₹1,535 | ₹75 | ₹155 | ₹245 |
| Total (published fees) | 529 | ₹205 | ₹310 | ₹360 | ₹720 | ₹1,150 |
Totals for all 3 plazas. “No FASTag” is the 1.25x UPI rate.
| Vehicle class | One way (FASTag) | Return in 24 h | No FASTag (UPI) |
|---|---|---|---|
| Car / Jeep / Van | ₹205 | ₹310 | ₹256 |
| LCV / Mini bus | ₹360 | ₹535 | ₹451 |
| Bus / Truck (2 axle) | ₹720 | ₹1,085 | ₹900 |
| 3-axle commercial | ₹1,075 | ₹1,620 | ₹1,344 |
| 4–6 axle (MAV) | ₹1,150 | ₹1,730 | ₹1,437 |
| 7+ axle (oversized) | ₹1,205 | ₹1,810 | ₹1,506 |
One way, 529 km, at Tamil Nadu prices (petrol ₹108.78/L, diesel ₹100.59/L). Typical highway mileage; change it in the calculator for your car.
| Car type | Petrol | Diesel | CNG | Electric |
|---|---|---|---|---|
| Hatchback | ₹3,199 | ₹2,421 | ₹2,026 | ₹1,324 |
| Sedan | ₹3,839 | ₹2,803 | ₹2,394 | ₹1,513 |
| SUV / MUV | ₹5,236 | ₹3,804 | ₹3,099 | ₹1,925 |
Petrol is cheapest in Tamil Nadu (₹108.78/L) and dearest in Karnataka (₹111.30/L). Filling the ~35 litres you need in Tamil Nadu saves about ₹89 versus buying it all in Karnataka.
For the same sedan, fuel for one way costs ₹3,839 on petrol, ₹2,803 on diesel and about ₹1,513 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 3 crossings one way — worth about ₹46 of pass value against ₹205 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 ₹310 instead of ₹410 — a 24% discount that FASTag applies automatically.
About ₹205 one way with FASTag across 3 plazas. A return within 24 hours costs ₹310. Without FASTag you pay 1.25x by UPI: ₹256.
3 on the fastest route: Mettupatti, Omallur, Yeddore.
About 35 litres for a car doing 15 km/l (₹3,839 at Thanjavur prices). A hatchback at 18 km/l needs ~29 L; an SUV at 11 km/l needs ~48 L.
Around ₹4,044 one way for a petrol sedan (fuel ₹3,839 + toll ₹205), or ₹7,989 for a same-day return. Split between four people that is ₹1,011 each, one way.
Plan on about 10 h 5 min including short breaks. Free-flowing traffic can do it in 7 h 12 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹720, 3-axle ₹1,075, 4–6 axle ₹1,150, 7+ axle ₹1,205.
Yes, plazas charge the same fee in both directions, so the Coorg to Thanjavur toll is the same ~₹205 for a car. Fuel cost differs only if you fill up at Coorg'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