The Chennai to Pondicherry drive is about 151 km via East Coast Road (ECR) and takes around 3.2 hours by car. In a petrol car doing 18 km/l, fuel for the one-way trip costs about Rs 904 at Chennai pump prices (Rs 107.76/litre, August 2026). Add roughly Rs 50 in tolls one-way, taking the road-trip budget to about Rs 954 each way.
Chennai to Pondicherry fuel cost by vehicle
| Vehicle | One-way fuel | Round-trip fuel |
|---|---|---|
| Petrol car (18 km/l) | Rs 904 | Rs 1,808 |
| Diesel car (22 km/l) | Rs 683 | Rs 1,367 |
| CNG car (28 km/kg) | Rs 523 | Rs 1,046 |
| Bike (45 km/l) | Rs 362 | Rs 723 |
Fuel prices used: Chennai petrol Rs 107.76/l, diesel Rs 99.55/l, CNG Rs 97.00/kg (as of August 2026). One-way car toll: about Rs 50 (FASTag; NHAI revises rates every April).
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Prefilled for Chennai to Pondicherry (one-way distance and current petrol price). Adjust any value to match your vehicle.
Frequently Asked Questions
How much does petrol cost from Chennai to Pondicherry?
About Rs 904 one-way in a petrol car doing 18 km/l over the 151 km route, at Chennai prices of Rs 107.76 per litre.
What is the round-trip fuel cost for Chennai to Pondicherry?
Roughly Rs 1,808 in a petrol car, Rs 1,367 in a diesel car, or Rs 1,046 in a CNG car, plus about Rs 100 in tolls both ways.
How much is the toll from Chennai to Pondicherry?
About Rs 50 one-way for a car via East Coast Road (ECR) (2025-26 FASTag rates; NHAI revises every April).
What is the cheapest way to drive from Chennai to Pondicherry?
Among cars, CNG works out cheapest at about Rs 523 one-way; a bike costs about Rs 362 in petrol.