Is there a direct train?

Yes, Transport for Wales runs direct services from Pembroke Dock to Swansea.

How long is the drive?

The drive typically takes 90 minutes under normal traffic conditions.

No, there are no tolls on the route between Pembroke Dock and Swansea.

Yes, but it requires multiple changes and is significantly slower than the train.

Yes, the route passes through beautiful Welsh countryside and coastal landscapes.

Pembroke Dock

Swansea

Train Driving

Pembroke Dock to Swansea

Updated: 30 May 2026

The journey from Pembroke Dock to Swansea covers approximately 105 kilometers along the scenic South Wales coastline. You can travel via the A477 and A48 roads, which offer direct access to the M4 corridor. Transport for Wales operates regular train services from Pembroke Dock station to Swansea station. The route passes through the Pembrokeshire countryside and Carmarthenshire. This transit is essential for connecting the western tip of Wales to the second-largest city in the country.

Total Distance: 105 km driving distance, 85 km straight-line air distance.

Fastest Way

Driving via the A477 and A48 takes approximately 90 minutes, depending on traffic near Carmarthen.

Cheapest Way

Driving is the cheapest if traveling with more than one person, costing roughly 15 GBP in fuel.

Compare Pembroke Dock to Swansea Routes

	Train Direct	Driving Direct
Duration	2 hours 10 mins	1 hour 30 mins
Avg Price	18-25 GBP	15-20 GBP fuel
Operator	Transport for Wales	N/A
Route	Pembroke Dock to Swansea via Carmarthen.	A477 to A48, joining M4 at junction 49.
Tip	Book via the Transport for Wales app for cheaper advance tickets.	Watch for speed cameras on the A477 near St Clears.

Travel Tips

Advance Booking
Always book train tickets at least two weeks early to save up to 40 percent.
Traffic Awareness
Avoid the A48 during rush hour as congestion near Carmarthen can add 30 minutes to your trip.
Parking
Use the St David's multi-story car park in Swansea for central access.
Connectivity
Mobile signal is patchy between Pembroke and Carmarthen; download offline maps.
Station Facilities
Pembroke Dock station is unstaffed; ensure you have your digital ticket ready.

Safety Tips

Coastal Roads
Be cautious of narrow, winding roads in rural Pembrokeshire during wet weather.
Night Driving
The A477 has limited lighting; use high beams carefully on unlit sections.
Emergency
Keep a physical map in your glovebox in case of GPS failure in remote areas.
Public Transport
Stay alert at train stations at night; use well-lit platforms.