Plymouth to Cardiff

via M5/A30

1h 40min
Drive Time
87
Miles
£14
Petrol Cost
£0
Tolls
Reverse EV Trip

Trip Details

Distance87 miles (140 km)
Drive Time1h 40min
RouteM5/A30
Best TimeMid-morning (9-11 AM)

Fuel Costs

Petrol (40 mpg)~9.9 litres
Est. Cost£14

Driving Tips for This Route

For a comfortable drive on this UK route, plan your journey around peak traffic hours — typically 7:30–9:30 AM and 4:30–6:30 PM on weekdays. Motorway services such as Welcome Break, Moto, and Roadchef provide convenient stopping points for refuelling and refreshments. Remember that all speed limits are in miles per hour, and average speed cameras are increasingly common on major routes. At roundabouts, signal your intentions clearly and give way to the right. If driving in winter, watch for black ice on rural stretches and keep your headlights on during poor visibility conditions.

Frequently Asked Questions

How long does it take to drive from Plymouth to Cardiff?
The drive from Plymouth to Cardiff takes approximately 1h 40min covering 87 miles via M5/A30. Actual time may vary based on traffic, weather, and road conditions.
How much does petrol cost for Plymouth to Cardiff?
At 40 MPG and £1.40/litre, expect to spend approximately £14 on petrol for this 87-mile trip. You'll need about 9.9 litres of fuel.
What is the best time to drive from Plymouth to Cardiff?
Mid-morning (9-11 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Plymouth to Cardiff route?
This route is toll-free. The UK has very few toll roads — the main ones are the M6 Toll near Birmingham and the Dartford Crossing on the M25.