Carmarthen
Carmarthen
Milford Haven
Milford Haven
Train Driving

Carmarthen to Milford Haven

Updated: 30 May 2026

The journey from Carmarthen to Milford Haven covers approximately 60 kilometers through the scenic Pembrokeshire countryside. Driving via the A40 and A4076 is the most direct route, typically taking about 55 minutes. Alternatively, the train from Carmarthen station offers a direct service to Milford Haven, making it a stress-free option. Milford Haven is a historic port town known for its deep-water harbor and vibrant waterfront. This route is a popular choice for both commuters and visitors exploring the coast.

Total Distance: 60 km driving distance, 52 km straight-line distance.
Fastest Way
Driving via the A40, taking approximately 55 minutes.
Cheapest Way
Train, if booked in advance.
Compare Carmarthen to Milford Haven Routes
Train
Direct
Driving
Direct
Duration 1 hour 55 mins
Avg Price 10-15 GBP 10-15 GBP in fuel
Operator Transport for Wales N/A
Route Carmarthen to Milford Haven station. A40 to Haverfordwest, then A4076 to Milford Haven.
Tip Direct trains are available; check the Transport for Wales schedule. The A40 is a major road but can be slow behind agricultural vehicles.
Travel Tips
  • Parking
    The waterfront has ample parking available for visitors.
  • Train Planning
    Check the Transport for Wales app for live train updates.
  • Local Bus
    Check local bus services if you prefer not to drive; they connect smaller villages.
  • Weather
    Coastal winds can be strong; bring a windproof jacket.
  • Refinery Traffic
    Be aware of heavy traffic on the A4076 during peak industrial shift times.
Safety Tips
  • Road Safety
    The A40 has several junctions; watch for turning traffic.
  • Walking
    Stay on marked paths when exploring the coastal areas.
  • Emergency
    Keep your phone charged as signal can be weak in some rural spots.
  • Water Safety
    Do not swim in the harbor area; use designated beaches instead.
People Also Ask
  • Is there a direct train?
    Yes, there are direct services from Carmarthen.
  • How long is the drive?
    Approximately 55 minutes.
  • Is Milford Haven worth visiting?
    Yes, especially for its waterfront and history.
  • Are there buses?
    Yes, local bus services operate between Pembrokeshire towns.
  • What is the best way to travel?
    The train is very convenient for this route.
Quick Info
  • From Carmarthen, Carmarthenshire, United Kingdom
  • To Milford Haven, Pembrokeshire, United Kingdom
  • Modes
Best Time to Travel

Summer for harbor activities and coastal walks.

Things to Do in Milford Haven
1
Milford Waterfront
Enjoy dining, shopping, and views of the marina in this revitalized harbor area.
2
Milford Haven Museum
Learn about the town's rich maritime and whaling history in the old custom house.
3
Torch Theatre
Catch a live performance or film at this popular local arts venue.
4
Pembrokeshire Coast Path
Access sections of the famous coastal path for stunning views of the estuary.
Tags
Carmarthen to Milford Haven A40 route Pembrokeshire travel Milford Haven train West Wales transport Carmarthen commute Milford Haven harbor Wales road trip