338 km · 5 toll plazas · about 7 h 55 min on the road. Change the vehicle, fuel or mileage below and every number updates.
Thanjavur to Munnar is a comfortable one-day drive of 338 km, mostly on NH36 and NH85.
You cross 5 toll plazas across Tamil Nadu, Kerala. For a car the published fees add up to ₹310 one way, about ₹0.92 per km.
Munnar 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 NaduKerala
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 | Palaya Gandharvakottai | 24 | Tamil Nadu | ₹55 | ₹80 | ₹1,820 | ₹90 | ₹185 | ₹290 |
| 2 | Lembalakudi | 74 | Tamil Nadu | ₹45 | ₹65 | ₹1,430 | ₹70 | ₹145 | ₹230 |
| 3 | Shenbagampettai | 99 | Tamil Nadu | ₹85 | ₹125 | ₹2,775 | ₹135 | ₹280 | ₹440 |
| 4 | Sevugampatti | 216 | Tamil Nadu | ₹85 | ₹130 | ₹2,860 | ₹140 | ₹290 | ₹455 |
| 5 | Devikulam | 330 | Kerala | ₹40 | ₹55 | ₹1,270 | ₹60 | ₹130 | ₹200 |
| Total (published fees) | 338 | ₹310 | ₹455 | ₹495 | ₹1,030 | ₹1,615 |
Totals for all 5 plazas. “No FASTag” is the 1.25x UPI rate.
| Vehicle class | One way (FASTag) | Return in 24 h | No FASTag (UPI) |
|---|---|---|---|
| Car / Jeep / Van | ₹310 | ₹455 | ₹387 |
| LCV / Mini bus | ₹495 | ₹735 | ₹620 |
| Bus / Truck (2 axle) | ₹1,030 | ₹1,550 | ₹1,288 |
| 3-axle commercial | ₹1,120 | ₹1,690 | ₹1,400 |
| 4–6 axle (MAV) | ₹1,615 | ₹2,430 | ₹2,020 |
| 7+ axle (oversized) | ₹1,970 | ₹2,950 | ₹2,463 |
One way, 338 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 | ₹2,044 | ₹1,547 | ₹1,295 | ₹846 |
| Sedan | ₹2,453 | ₹1,791 | ₹1,530 | ₹966 |
| SUV / MUV | ₹3,345 | ₹2,430 | ₹1,980 | ₹1,230 |
Petrol is cheapest in Tamil Nadu (₹108.78/L) and dearest in Kerala (₹114.57/L). Filling the ~23 litres you need in Tamil Nadu saves about ₹131 versus buying it all in Kerala.
For the same sedan, fuel for one way costs ₹2,453 on petrol, ₹1,791 on diesel and about ₹966 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 5 crossings one way — worth about ₹77 of pass value against ₹310 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 ₹455 instead of ₹620 — a 27% discount that FASTag applies automatically.
About ₹310 one way with FASTag across 5 plazas. A return within 24 hours costs ₹455. Without FASTag you pay 1.25x by UPI: ₹387.
5 on the fastest route: Palaya Gandharvakottai, Lembalakudi, Shenbagampettai, Sevugampatti, Devikulam.
About 23 litres for a car doing 15 km/l (₹2,453 at Thanjavur prices). A hatchback at 18 km/l needs ~19 L; an SUV at 11 km/l needs ~31 L.
Around ₹2,763 one way for a petrol sedan (fuel ₹2,453 + toll ₹310), or ₹5,361 for a same-day return. Split between four people that is ₹691 each, one way.
Plan on about 7 h 55 min including short breaks. Free-flowing traffic can do it in 5 h 43 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹1,030, 3-axle ₹1,120, 4–6 axle ₹1,615, 7+ axle ₹1,970.
Yes, plazas charge the same fee in both directions, so the Munnar to Thanjavur toll is the same ~₹310 for a car. Fuel cost differs only if you fill up at Munnar'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