Is there a direct train?

No, you must change at Cardiff or Newport.

How long is the drive?

It takes about 5 hours via the M4.

Is Portsmouth worth visiting?

Yes, it has a rich history and great attractions.

National Express operates coaches to Portsmouth.

What is the best way to travel?

Train is very convenient as it is a direct route.

Haverfordwest

Portsmouth

Train Driving

Haverfordwest to Portsmouth

Updated: 30 May 2026

The journey from Haverfordwest to Portsmouth covers 330 kilometers. By car, the route follows the A40 and M4 motorway, taking about 5 hours. By train, you can travel from Haverfordwest to Cardiff or Newport, then transfer to a service to Portsmouth Harbour. This route connects the rural west of Wales to the major city of Portsmouth. Expect a smooth journey with plenty of scenic views. Plan your trip well in advance for the best travel experience.

Total Distance: 330 km driving distance, 290 km straight-line air distance.

Fastest Way

Both driving and train travel take approximately 5 hours.

Cheapest Way

Advance train tickets are often cheaper than fuel and parking costs.

Compare Haverfordwest to Portsmouth Routes

	Train Connecting	Driving Direct
Duration	5 hours	5 hours
Avg Price	65 GBP	55 GBP
Operator	Transport for Wales/GWR	Private Vehicle
Route	Haverfordwest to Cardiff/Newport to Portsmouth Harbour	A40 to M4
Tip	Book advance tickets for significant savings.	Check for roadworks on the M4.