Is Southampton a good city to visit?

Yes, it has a rich history and cultural attractions.

How long is the drive?

It takes about 4 hours 30 minutes.

Are there direct trains?

No, you must change at least once.

What is the best way to travel?

Driving is usually the most convenient.

Can I take a bike on the train?

Yes, but you must reserve a space.

Pembroke Dock

Southampton

Train Driving

Pembroke Dock to Southampton

Updated: 30 May 2026

The journey from Saundersfoot to Southampton covers approximately 350 km. By car, you will follow the A477, A48, M4, and M3. Rail travel requires a change at Carmarthen and London or Bristol. Southampton is a historic port city known for its maritime heritage. This route takes you from the Welsh coast to the South East of England.

Total Distance: 350 km driving distance, 300 km straight-line air distance.

Fastest Way

Driving is the fastest, taking about 4 hours 30 minutes.

Cheapest Way

Driving is the most cost-effective for groups.

Compare Pembroke Dock to Southampton Routes

	Train Connecting	Driving Direct
Duration	5 hours	4 hours 30 mins
Avg Price	£70 - £120	£60 - £90 in fuel
Operator	Transport for Wales and GWR	Personal Vehicle
Route	Saundersfoot to Carmarthen, Carmarthen to Bristol, Bristol to Southampton.	A477, A48, M4, M3.
Tip	GWR services from Bristol to Southampton are frequent.	The M4 can be very busy; try to avoid peak hours.