Train
Driving
Milford Haven to Southampton
Updated: 30 May 2026
The journey from Milford Haven to Southampton covers 400 km, heading east through Wales and into the South of England. By car, you will follow the A40 and M4. Train travel involves a journey to Cardiff and a transfer to a direct service to Southampton Central. The drive takes about 5 hours. This route connects the coastal town of Milford Haven to the historic city of Southampton.
Total Distance: 400 km driving distance; 350 km straight-line air distance.
Fastest Way
Driving is faster than the train due to the direct route.
Cheapest Way
The train is often cheaper if booked in advance.
Compare Milford Haven to Southampton Routes
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 5 hours 30 mins | 5 hours |
| Avg Price | 70-150 GBP | 80-120 GBP |
| Operator | Transport for Wales | N/A |
| Route | Milford Haven to Cardiff, Cardiff to Southampton Central | A40, M4 |
| Tip | The train is very comfortable and scenic. | The M4 is a fast road; watch for speed cameras. |
Travel Tips
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Train BookingBook tickets in advance to save money.
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ParkingSouthampton city center parking is very expensive; use public transport.
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TrafficThe M4 can be busy; plan accordingly.
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NavigationUse a GPS to navigate the city's streets.
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LuggageIf taking the train, use the luggage racks provided.
Safety Tips
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Road SafetyThe M4 has many speed cameras; stay within the limit.
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City SafetySouthampton is generally safe, but keep your belongings secure.
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Vehicle CheckCheck your lights and wipers before the long drive.
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EmergencyKeep a warm blanket in the car, especially in winter.
People Also Ask
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Is there a direct train?No, you must change at Cardiff.
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How long is the drive?Approximately 5 hours.
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Is Southampton safe?Yes, it is a safe city.
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Where to park?Use public transport to avoid parking charges.
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Best time to visit?Summer for the best weather.
Quick Info
- From Milford Haven, Wales, United Kingdom
- To Southampton, Hampshire, United Kingdom
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Modes
Best Time to Travel
May to September for the best weather.
Things to Do in Southampton
1
SeaCity Museum
A world-class museum of maritime history.
2
Tudor House and Garden
A beautiful historic house in the city center.
3
Westquay Shopping Centre
A major shopping and dining destination.
4
Mayflower Park
A beautiful park in the city center.
Tags
Milford Haven to Southampton
travel to Southampton
driving to Southampton
train to Southampton
Wales to Southampton
fastest way to Southampton
UK travel guide
Southampton attractions
Milford Haven transport
A40 route
