Is there a direct train?

No, you will need to change at least twice.

No, there are no tolls on this route.

Yes, it is one of the busiest motorways in the UK.

Using the M50 to join the M5 is often smoother than the main M5 route.

Caernarfon

Gloucester

Driving

Caernarfon to Gloucester

Updated: 28 May 2026

The trip from Caernarfon to Gloucester covers approximately 240 kilometers, moving from the Welsh coast into the heart of the Cotswolds region. The most efficient route involves heading east to the motorway network and then south down the M5. This journey takes you past major cities like Birmingham and Cheltenham. Driving is highly recommended for the final leg into the historic city of Gloucester.

Total Distance: 240 km driving distance, 210 km straight-line air distance.

Fastest Way

Driving via the M50 and M5 is the fastest, taking about 4 hours.

Cheapest Way

Driving is the most economical option for this long-distance journey.

Compare Caernarfon to Gloucester Routes

Driving

Direct

Duration

4 hours

Avg Price

40-50 GBP in fuel

Operator

N/A

Route

A5 to Shrewsbury, then A49 to M50 and M5 to Gloucester.

The M50 is a quieter motorway alternative to the main M5 corridor.

Travel Tips

Traffic
Avoid the M5 near Birmingham during morning and evening rush hours.
Parking
The Gloucester Quays car park is convenient for both the docks and the city center.
Train
If you prefer the train, look for direct services from Birmingham New Street to Gloucester.
Walking
Gloucester is very compact; you can walk from the cathedral to the docks in 15 minutes.
Local Events
Check the city calendar for the Gloucester Tall Ships Festival.

Safety Tips

Motorway Driving
Stay alert on the M5 as it is a high-speed, high-volume road.
Weather
Heavy rain can cause surface water on the M5; reduce speed accordingly.
Breakdowns
Ensure you have a high-visibility jacket in the car if you need to exit on the motorway.
Security
Do not leave valuables visible in your car when parked in public areas.