What is the best train company?

Great Western Railway is the primary operator.

Llanelli

Plymouth

Train Driving

Llanelli to Plymouth

Updated: 31 May 2026

Traveling from Llanelli to Plymouth involves traversing the M4, M5, and the A38 Devon Expressway. The journey covers roughly 290 km. By train, you will travel via Cardiff and Bristol before reaching Plymouth's coastal station. This route takes you through the heart of the West Country, passing near the Dartmoor National Park. Expect a longer journey time compared to Exeter due to the additional distance into South Devon.

Total Distance: 290 km driving distance, 170 km straight-line air distance.

Fastest Way

Driving, 3 hours 45 mins, depending on A38 traffic.

Cheapest Way

Train, 45 GBP, if booked as an Advance ticket.

Compare Llanelli to Plymouth Routes

	Train Connecting	Driving Direct
Duration	5 hours	3 hours 45 mins
Avg Price	45-110 GBP	50-75 GBP
Operator	Great Western Railway	N/A
Route	Llanelli to Cardiff to Bristol to Plymouth	M4, M5, A38
Tip	The final leg from Exeter to Plymouth offers beautiful coastal views.	The A38 can be slow during peak holiday periods.

Travel Tips

A38 Caution
The A38 is a major artery; expect heavy traffic during summer weekends.
Train Views
Try to get a window seat on the right side for the Dawlish sea wall section.
Parking
Use the multi-storey car parks in Plymouth city centre for convenience.
Local Buses
Plymouth Citybus provides extensive coverage across the city and surrounding areas.
Booking Apps
Use the Trainline app to monitor live train times and platform changes.

Safety Tips

Coastal Weather
Be aware of high winds when driving near the coast.
Vehicle Checks
Check your tire pressure before embarking on this long-distance drive.
Public Transport
Stay alert in crowded train stations during peak hours.
Emergency Help
Keep a mobile charger in your car for long journeys.