Is there a direct train?

No, you will need to change at Cardiff or Bristol.

How long is the drive?

Approximately 4 hours and 30 minutes.

Like any city, exercise standard precautions.

Can I visit the museum?

Yes, it is a major tourist attraction.

Yes, there are public car parks available.

Milford Haven

Southampton

Train Driving

Milford Haven to Southampton

Updated: 30 May 2026

The journey from Milford Haven to Southampton covers 350 km. By train, you can reach Southampton in approximately 5 hours, usually requiring a change at Cardiff or Bristol. Driving takes about 4 hours and 30 minutes via the A40 and M4/M3 motorways. Southampton is a major port city with a rich maritime history and a vibrant cultural scene. The route is a long but scenic journey through the Welsh countryside and the English South Coast.

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

Fastest Way

Driving, taking 4 hours 30 minutes outside of peak traffic.

Cheapest Way

Train, if booked in advance.

Compare Milford Haven to Southampton Routes

	Train Connecting	Driving Direct
Duration	5 hours	4 hours 30 mins
Avg Price	70 GBP - 130 GBP	75 GBP fuel
Operator	Transport for Wales / GWR	N/A
Route	Milford Haven to Cardiff, then change for Southampton.	A40 to M4/M3 motorways.
Tip	Book well in advance to secure the best prices.	The M4/M3 can be busy; check traffic updates before departing.

Travel Tips

Train Station
Southampton Central station is centrally located.
Parking
Use the public car parks in the city centre.
Public Transport
Local bus and train services provide good coverage of the area.
Booking
Use the Trainline or GWR website to book your tickets.
Walking
The city centre is compact and easy to navigate on foot.