Yes, but it is a single-carriageway road with many bends.

How long is the train?

Usually 3.5 hours with one change.

No, the Severn Bridge tolls were removed.

Is Gloucester walkable?

Yes, the city centre is compact and pedestrian-friendly.

Yes, dogs are allowed on trains for free.

Llandeilo

Gloucester

Train Driving

Llandeilo to Gloucester

Updated: 31 May 2026

Traveling from Llandeilo to Gloucester involves crossing the Severn Bridge. The distance is roughly 145 km. By car, you will primarily use the M4 and M5 motorways. Train travel requires a change at Swansea or Cardiff Central. The journey takes you through the scenic Brecon Beacons if driving.

Total Distance: Driving distance 145 km, straight-line air distance 120 km.

Fastest Way

Driving, taking approximately 2 hours 15 minutes via the A40.

Cheapest Way

Driving, especially if sharing fuel costs with passengers.

Compare Llandeilo to Gloucester Routes

	Train Connecting	Driving Direct
Duration	3 hours 30 mins	2 hours 15 mins
Avg Price	£30 - £60	£20 - £30 in fuel
Operator	Transport for Wales and Great Western Railway	Personal Vehicle
Route	Llandeilo to Swansea, then direct train to Gloucester.	A40 to Brecon, then A40 towards Gloucester via Monmouth.
Tip	Check for engineering works on the Severn Tunnel line before booking.	The A40 is a beautiful but winding road; drive carefully in wet weather.

Travel Tips

Route Choice
The A40 is more scenic than the M4/M5 route but takes longer.
Train Tickets
Use the Trainline app to monitor price drops for your specific date.
Parking
Use the Gloucester Quays parking for easy access to the city centre.
Weather
Check the Met Office for fog warnings on the A40 through the Brecon Beacons.
Refreshments
Stop in Monmouth for a break if driving the A40 route.