How long does it take to drive from Cardiff to Portsmouth?
The drive from Cardiff to Portsmouth 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 Cardiff to Portsmouth?
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 Cardiff to Portsmouth?
Early morning (before 7 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Cardiff to Portsmouth 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.
