How long does it take to drive from Portsmouth to Cardiff?
The drive from Portsmouth to Cardiff takes approximately 2h 0min covering 102 miles via M4. Actual time may vary based on traffic, weather, and road conditions.
How much does petrol cost for Portsmouth to Cardiff?
At 40 MPG and £1.40/litre, expect to spend approximately £16 on petrol for this 102-mile trip. You'll need about 11.6 litres of fuel.
What is the best time to drive from Portsmouth to Cardiff?
Late evening (after 8 PM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Portsmouth 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.
