Is there a direct train?

No, you must change at Cardiff or Bristol.

Is Southampton worth visiting?

Yes, it is a vibrant city with a rich maritime history.

No, the Severn Bridge tolls were removed.

What is the best way to travel?

Driving is generally more convenient for this route.

Haverfordwest

Southampton

Train Driving

Haverfordwest to Southampton

Updated: 29 May 2026

The journey from Haverfordwest to Southampton covers about 350 km. Driving takes approximately 4 hours and 30 minutes via the A40, M4, and M3. By train, you will travel from Haverfordwest to Cardiff or Bristol, then connect to a service to Southampton Central, taking around 5 hours. Southampton is a major port city with a rich maritime history. This route connects the Welsh coast to the south coast of England.

Total Distance: 350 km driving distance; 280 km straight-line air distance.

Fastest Way

Driving, taking 4 hours and 30 minutes under normal conditions.

Cheapest Way

Driving, especially if sharing fuel costs.

Compare Haverfordwest to Southampton Routes

	Train Connecting	Driving Direct
Duration	5 hours	4 hours 30 mins
Avg Price	£60 - £110	£50 - £75 fuel
Operator	Great Western Railway	N/A
Route	Haverfordwest to Cardiff Central, then to Southampton Central.	A40, M4, M3.
Tip	The train journey offers beautiful views of the countryside.	The M3 can be busy; allow extra time during peak hours.

Travel Tips

M4/M3 Traffic
Check for traffic updates on the M4 and M3 before leaving.
Train Booking
Book in advance to get cheaper tickets on GWR services.
Parking
Use the multi-story car parks in Southampton city center.
Station Access
Southampton Central station is centrally located.
Walking
Southampton city center is walkable; wear comfortable footwear.

Safety Tips

Road Safety
The M3 is a major motorway; stay alert and follow speed limits.
Personal Safety
Southampton is a safe city, but keep your belongings secure in busy areas.
Emergency
Dial 999 for emergencies.
Night Travel
Ensure your vehicle is well-maintained for long motorway journeys.