Is there a direct train to Portsmouth?

No, you will need to change at London or Birmingham.

How long is the drive to Portsmouth?

It typically takes 6 hours from Llanerchymedd.

What is the best way to travel to Portsmouth?

The train is comfortable, while driving offers more flexibility.

Are there tolls on this route?

No, there are no tolls on the A55 or A3.

Is Portsmouth a good city for a weekend break?

Yes, it offers a great mix of history, culture, and shopping.

Llanerchymedd

Portsmouth

Train Driving

Llanerchymedd to Portsmouth

Updated: 31 May 2026

The journey from Llanerchymedd to Portsmouth takes you from the Welsh coast to the historic naval city of Portsmouth on the South Coast. By train, you will travel from Bangor to Portsmouth, usually requiring a change at London or Birmingham. Driving involves taking the A55, M6, and A3. The journey covers approximately 320 miles. Portsmouth is famous for its naval history, the Spinnaker Tower, and its role as a major port.

Total Distance: 510 km driving distance, 350 km straight-line air distance.

Fastest Way

Driving, taking 6 hours via the A3.

Cheapest Way

Train, if booked well in advance.

Compare Llanerchymedd to Portsmouth Routes

	Train Connecting	Driving Direct
Duration	6 hours 30 mins	6 hours
Avg Price	95-170 GBP	85-130 GBP fuel
Operator	Avanti West Coast / South Western Railway	Personal Vehicle
Route	Bangor to Portsmouth via London or Birmingham.	A55, M6, and A3.
Tip	Book your train leg in advance for significant savings.	The A3 can be very busy; plan your arrival accordingly.

Travel Tips

Train Transfers
Allow plenty of time for connections at London or Birmingham.
A3 Traffic
The A3 is the main route into Portsmouth; expect delays during peak hours.
Parking
The Gunwharf Quays car park is convenient for city center access.
Local Transport
Portsmouth has a good bus network for getting around the city.
Booking
Use the Trainline app to monitor for delays on the rail network.

Safety Tips

Road Safety
The A3 is a major road; stay alert and follow speed limits.
Station Security
Portsmouth Harbour station is a major hub; keep your belongings secure.
Emergency Help
Dial 999 for any urgent assistance.
Night Safety
Portsmouth is generally safe; use common sense at night.