Is Portsmouth expensive?

It is comparable to other major UK cities.

What is the best way to travel?

Train is more comfortable for this distance.

Saundersfoot

Portsmouth

Train Driving

Saundersfoot to Portsmouth

Updated: 30 May 2026

The journey from Saundersfoot to Portsmouth covers 340 km. By car, you will travel via the M4 and M3, taking about 5 hours. By train, you will travel via Newport and Reading to reach Portsmouth Harbour. This route connects the Welsh coast to the historic naval city of Portsmouth. Expect a mix of motorway driving and scenic rail travel. Portsmouth is famous for its Historic Dockyard and the Spinnaker Tower.

Total Distance: 340 km driving distance, 290 km straight-line air distance.

Fastest Way

Driving, 5 hours, via M4/M3.

Cheapest Way

Train, 60 GBP, if booked in advance.

Compare Saundersfoot to Portsmouth Routes

	Train Connecting	Driving Direct
Duration	5 hours 30 mins	5 hours
Avg Price	60-120 GBP	65-100 GBP
Operator	GWR / South Western Railway	N/A
Route	Saundersfoot to Newport, then to Reading, then to Portsmouth Harbour.	A477, M4, M3, A3
Tip	Book through the South Western Railway website for the best deals.	The A3 can be busy; check traffic updates before you leave.

Travel Tips

Parking
Use the Gunwharf Quays car park for easy access to the waterfront.
Train Booking
Use the Trainline app to manage your tickets and connections.
Walking
The historic dockyard is best explored on foot.
Ferries
Portsmouth is a major ferry port; check schedules if you are traveling further.
Dining
Try the restaurants in the Gunwharf Quays area for a variety of cuisines.