Is there a direct train?

No, you usually change at Plymouth.

How long is the drive?

Approximately 4 hours depending on traffic.

Is the A303 better than the M5?

It is often shorter but can be slower due to traffic lights and roundabouts.

It is generally safe, but standard city precautions apply.

Saltash

Southampton

Train Driving

Saltash to Southampton

Updated: 30 May 2026

The route from Saltash to Southampton spans approximately 320 km. By car, you can take the A38 to the A303, which offers a more scenic and often faster route than the M5/M4. By train, you will travel via Plymouth and Salisbury, arriving at Southampton Central. This journey connects the Cornish border with the major port city of Southampton. Expect a travel time of 4 to 5 hours. The route passes through the beautiful landscapes of the West Country and the New Forest.

Total Distance: 320 km driving distance; 270 km straight-line air distance.

Fastest Way

Driving, provided the A303 is clear of heavy traffic.

Cheapest Way

Train, if booked in advance as an Advance single.

Compare Saltash to Southampton Routes

	Train Connecting	Driving Direct
Duration	4 hours 45 mins	4 hours
Avg Price	50-100 GBP	50-70 GBP fuel
Operator	Great Western Railway	N/A
Route	Saltash to Plymouth, then direct to Southampton Central.	A38, A30, A303, M3.
Tip	The train journey via Salisbury is very scenic.	The A303 can be slow near Stonehenge; plan for potential delays.

Travel Tips

A303 Traffic
Check for roadworks on the A303, especially during summer weekends.
Train Connections
Ensure you have enough time for your connection at Plymouth.
Parking
Use the Westquay multi-story car park for easy city access.
Booking
Use the GWR app to track your train in real-time.
Footwear
Wear comfortable shoes for walking around the historic Old Town.

Safety Tips

Driving
The A303 has many single-carriageway sections; overtake only when safe.
Station Safety
Southampton Central can be busy; keep your luggage in sight.
Night Travel
Avoid walking alone in the docks area late at night.
Emergency
Keep a physical map in your car in case of GPS failure on rural roads.