London to Cardiff Driving Cost
Driving from London to Cardiff covers roughly 245 km. At an average fuel consumption of 8 L/100km and a petrol price of £1.45 per litre, the trip costs about £28.42 in fuel one way (£56.84 return). Your real cost depends on your vehicle and the current pump price in United Kingdom, both of which you can set in the planner.
Estimated fuel cost by vehicle efficiency
| Vehicle | Consumption | One way | Return |
|---|---|---|---|
| Efficient (small car / hybrid) | 5 L/100km | £17.76 | £35.53 |
| Average car | 8 L/100km | £28.42 | £56.84 |
| Thirsty (SUV / van) | 11 L/100km | £39.08 | £78.16 |
Indicative figures based on a £1.45/litre petrol price. Set your exact local price and consumption in the planner.
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Frequently asked questions
How much does it cost to drive from London to Cardiff?
At an average 8 L/100km and a petrol price of £1.45 per litre, the 245 km drive from London to Cardiff costs about £28.42 in fuel one way. Use the planner with your own car and local price for an exact figure.
How far is London to Cardiff by road?
The driving distance is approximately 245 km. Actual distance varies with the route and stops you add.
Can I split the fuel cost between passengers?
Yes. Set the number of passengers in TripKalc and it shows the per-person fuel cost, which is handy for carpools and shared trips.