Is there a direct train?

No, you must change at least twice.

How long is the drive?

The drive takes about 5 hours 30 minutes.

Bus travel is not practical for this distance.

Is the city center walkable?

Yes, most attractions are within walking distance.

Carmarthen

Brighton

Train Driving

Carmarthen to Brighton

Updated: 30 May 2026

The journey from Carmarthen to Brighton covers approximately 380 kilometers. By train, you will travel via Swansea, Bristol, and London, then take a service to Brighton. By car, the route follows the A48, M4, and M23. This journey takes you from the Welsh coast to the vibrant seaside city of Brighton.

Total Distance: 380 km driving distance; 300 km straight-line air distance.

Fastest Way

Driving, taking approximately 5 hours 30 minutes.

Cheapest Way

Train, booked in advance as an Advance Single ticket.

Compare Carmarthen to Brighton Routes

	Train Connecting	Driving Direct
Duration	6 hours 30 mins	5 hours 30 mins
Avg Price	60-120 GBP	60-90 GBP fuel
Operator	Great Western Railway	N/A
Route	Carmarthen to Swansea, Swansea to London, London to Brighton.	A48 to M4, then M25 and M23 south.
Tip	Brighton station is a short walk from the city center.	The M25 can be very busy; plan your route carefully.

Travel Tips

Parking
Brighton has limited parking; use the park and ride or public transport.
Train Booking
Use the Trainline app for the best deals.
Walking
Brighton is a very walkable city.
Weather
Brighton can be windy.
Events
Check for festivals before you travel as the city gets very busy.