From:
London
To:
Cardiff
Distance:
150 mi
Duration:
2 h 44 min
Main highway:
M4
Main national route:
A4A48
Status:
published
Publication date:
2026-03-02
Use our calculator to split fuel and vehicle wear costs for this trip.
Fuel Cost: £8.13
Vehicle Wear: £0.81
Total per Person: £4.47
Get ready for a memorable journey across Britain from London to Cardiff with our precise trip planner, This 150 mile route takes you through some of Britain's most beautiful countryside. Take the M4 as your main motorway for efficient travel. For a more scenic alternative, consider the ['A4', 'A48'] which offers picturesque views.
Most UK roads are toll-free, making this an economical driving route. Our calculator helps you estimate fuel costs, potential congestion charges, and total trip expenses. Plan your journey considering typical UK traffic patterns and weather conditions.
Check our recommendations for traditional pubs, historic sites, and scenic stops along your route. Whether you're traveling for business or leisure, plan your British road trip with confidence. Get tips for driving on the left side of the road and understanding UK road signs..
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