370 km · 3 toll plazas · about 7 h 25 min on the road. Change the vehicle, fuel or mileage below and every number updates.
Mysore to Trichy is a comfortable one-day drive of 370 km, mostly on SH79.
You cross 3 toll plazas across Karnataka, Tamil Nadu. For a car the published fees add up to ₹185 one way, about ₹0.50 per km, cheaper than most highway corridors.
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 | Yeddore | 29 | Karnataka | ₹45 | ₹70 | ₹1,535 | ₹75 | ₹155 | ₹245 |
| 2 | Omallur | 220 | Tamil Nadu | ₹95 | ₹145 | ₹2,915 | ₹170 | ₹340 | ₹545 |
| 3 | Trichy Salem | 371 | Tamil Nadu | ₹45 | ₹17 | — | ₹66 | ₹132 | ₹198 |
| Total (published fees) | 370 | ₹185 | ₹232 | ₹311 | ₹627 | ₹988 |
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 | ₹185 | ₹232 | ₹231 |
| LCV / Mini bus | ₹311 | ₹389 | ₹390 |
| Bus / Truck (2 axle) | ₹627 | ₹792 | ₹784 |
| 3-axle commercial | ₹913 | ₹1,146 | ₹1,142 |
| 4–6 axle (MAV) | ₹988 | ₹1,256 | ₹1,235 |
| 7+ axle (oversized) | ₹1,043 | ₹1,336 | ₹1,304 |
One way, 370 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 | ₹2,290 | ₹1,670 | ₹1,396 | ₹926 |
| Sedan | ₹2,748 | ₹1,934 | ₹1,650 | ₹1,058 |
| SUV / MUV | ₹3,747 | ₹2,625 | ₹2,135 | ₹1,347 |
Petrol is cheapest in Tamil Nadu (₹108.78/L) and dearest in Karnataka (₹111.30/L). Filling the ~25 litres you need in Tamil Nadu saves about ₹62 versus buying it all in Karnataka.
For the same sedan, fuel for one way costs ₹2,748 on petrol, ₹1,934 on diesel and about ₹1,058 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 ₹185 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 ₹232 instead of ₹370 — a 37% discount that FASTag applies automatically.
About ₹185 one way with FASTag across 3 plazas. A return within 24 hours costs ₹232. Without FASTag you pay 1.25x by UPI: ₹231.
3 on the fastest route: Yeddore, Omallur, Trichy Salem.
About 25 litres for a car doing 15 km/l (₹2,748 at Mysore prices). A hatchback at 18 km/l needs ~21 L; an SUV at 11 km/l needs ~34 L.
Around ₹2,933 one way for a petrol sedan (fuel ₹2,748 + toll ₹185), or ₹5,728 for a same-day return. Split between four people that is ₹733 each, one way.
Plan on about 7 h 25 min including short breaks. Free-flowing traffic can do it in 5 h 17 min, but towns, trucks and plaza queues usually add time.
One way with FASTag: bus/2-axle truck ₹627, 3-axle ₹913, 4–6 axle ₹988, 7+ axle ₹1,043.
Yes, plazas charge the same fee in both directions, so the Trichy to Mysore toll is the same ~₹185 for a car. Fuel cost differs only if you fill up at Trichy'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