Fuel cost from London to Cardiff
Driving from London to Cardiff is about 150 miles and takes around 3 hr 8 min. In a car that gets 45 mpg, the fuel costs about £26.67 one way, or £53.35 for the round trip, at 175.9p a litre for petrol, typical prices around London.
Fuel cost by miles per gallon
| Fuel economy | Petrol, one way | Petrol, return | Diesel, one way |
|---|---|---|---|
| 30 mpg | £40.01 | £80.02 | £45.92 |
| 40 mpg | £30.01 | £60.01 | £34.44 |
| 50 mpg | £24.01 | £48.01 | £27.55 |
| 60 mpg | £20.00 | £40.01 | £22.96 |
Based on typical prices around London: 175.9p petrol, 201.9p diesel a litre, updated 27 hours ago. UK (imperial) mpg.
Sharing the cost
At 45 mpg, the round trip costs £53.35 in fuel. Split between two people that's £26.67 each, or £13.34 each between four.
Cutting the cost of this trip
- Fill up before you join the motorway. Motorway services usually charge the most.
- Check your tyre pressures before you set off. Under-inflated tyres use more fuel.
- Keep a steady speed. Dropping from 75 to 65 mph on a long run saves a noticeable amount. It also keeps you clear of cameras: see what a speeding ticket costs.
More ideas in our fuel-saving guides.
Frequently asked questions
How much does it cost to drive from London to Cardiff?
About £26.67 one way in a car that gets 45 mpg, or £53.35 for the return trip, at 175.9p a litre for petrol, typical prices around London.
How far is London from Cardiff by car?
About 150 miles by road on the fastest route.
How long does it take to drive from London to Cardiff?
Around 3 hr 8 min without stops or heavy traffic.
How much fuel will I need?
About 15 litres at 45 mpg. A less efficient car needs more: check the table above.
Other journeys
- London to Newcastle upon Tyne 283 mi
- London to Leeds 195 mi
- Bristol to Cardiff 44 mi
- London to Liverpool 209 mi
- London to Penzance 285 mi
- London to York 211 mi