India Road Fuel Cost Estimator
Kolkata → Patna
How much petrol or diesel does it cost to drive from Kolkata to Patna? Breakdown by vehicle type using today's India fuel prices, updated from the datasource.
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Fuel Cost by Vehicle Type
Select your vehicle to see the detailed fuel breakdown for this route. Prices as of 1 May 2026.
Monthly Fleet Fuel Cost
Running this route regularly? Estimated one-way fuel cost per month, by trip frequency. Figures use primary fuel for each vehicle type (toll excluded).
| Vehicle | 1×/month | 5×/month | 10×/month | 22×/month |
|---|---|---|---|---|
Motorcycle Petrol | INR 1,433 | INR 7,167 | INR 14,334 | INR 31,535 |
Car / SUV Petrol | INR 4,778 | INR 23,890 | INR 47,780 | INR 105,116 |
Van / MPV Diesel | INR 5,893 | INR 29,467 | INR 58,934 | INR 129,654 |
Lorry Diesel | INR 10,608 | INR 53,040 | INR 106,081 | INR 233,378 |
Add INR 696.00 toll per one-way trip to get total trip cost per journey.
Full Fuel Cost Comparison
All vehicle types × all fuel types for this route.
| Vehicle | km/L | Petrol | Premium Petrol | Diesel | Fuel + Toll |
|---|---|---|---|---|---|
| Motorcycle | 40 | INR 1433.40 | INR 1493.90 | — | INR 2129.40 |
| Car / SUV | 12 | INR 4777.99 | INR 4979.65 | — | INR 5473.99 |
| Van / MPV | 9 | INR 6370.65 | — | INR 5893.37 | INR 6589.37 |
| Lorry | 5 | — | — | INR 10608.07 | INR 11304.07 |
"Fuel + Toll" uses the primary fuel type for each vehicle. Toll is one-way estimate.
Today's Fuel Prices in India
IndianOil Delhi reference price build-ups used in all calculations above
Last updated: 1 May 2026. Prices are sourced from IndianOil Delhi reference price build-ups.
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Common Questions: Kolkata to Patna
How far is Kolkata to Patna?
The highway distance from Kolkata to Patna is approximately 605 km. The estimated driving time is 7h 26m under normal highway conditions.
How much petrol does a car use from Kolkata to Patna?
A typical car with 12 km/L mileage uses approximately 50.4 litres of petrol. At today's Petrol price (INR 94.77/L), that costs INR 4777.99.
How much does a lorry spend on diesel from Kolkata to Patna?
A lorry averaging 5 km/L needs about 121.0 litres of diesel for this route. At INR 87.67/L, the fuel cost is INR 10608.07 one-way.
What is the toll charge from Kolkata to Patna?
The estimated one-way toll on this highway route is approximately INR 696.00. India route tolls are estimated from NHAI corridor pricing patterns and route length. Actual plaza charges vary by highway, state, and return-trip rules.
How much does a motorcycle spend on fuel from Kolkata to Patna?
A motorcycle averaging 40 km/L uses about 15.1 litres. At today's Petrol price, that's INR 1433.40, making it the most fuel-efficient option for this route.
What is the total cost (fuel + toll) for a delivery van on this route?
A delivery van using diesel at 9 km/L needs 67.2 litres, costing INR 5893.37 in fuel. Add the INR 696.00 toll for a total one-way cost of approximately INR 6589.37.
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