There are 5 ways to get from Carmarthen to Watford by train, bus, or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train
best- Take the train from Carmarthen to London Paddingtontrain Carmarthen - London Paddington
4h 44m£106–186Bus, line 111 bus
cheapest- Take the bus from Carmarthen Bus Station Stand 3 to Llanelli Bus Station Stand 6bus X11 / ...
- Take the bus from Llanelli Bus Station Stand 5 to Swansea Bus Station Stand Pbus 111
- Take the bus from Swansea City Bus Station to London Heathrow Airportbus
- Take the bus from Heathrow Terminal 2 to Watford Junction stationbus Ra3
9h 35m£31–45Bus
- Take the bus from Rose and Crown to Swansea Bus Station Stand Bbus 112 / ...
- Take the bus from Swansea Bus Station Stand B to Heathrow Central Bus Stationbus 201 / ...
7h 4m£34–61Drive 205.8 mi
- Drive from Carmarthen to Watfordcar 205.8 mi
3h 44m£52–75Train via Swansea
- Take the train from Carmarthen to Swanseatrain Milford Haven - Shrewsbury / ...
- Take the train from Swansea to London Paddingtontrain Swansea - London Paddington / ...
5h 14m£99–194
Carmarthen to Watford by train and subway
Comparing Your Travel Options
The cheapest way to get from Carmarthen to Watford is to bus and line 111 bus which costs £30 - £45 and takes 9h 35m.
The fastest way to get from Carmarthen to Watford is to drive which takes 3h 44m and costs £50 - £75.
No, there is no direct bus from Carmarthen to Watford. However, there are services departing from Rose and Crown and arriving at Town Hall via Swansea Bus Station Stand B and Heathrow Terminal 3. The journey, including transfers, takes approximately 7h 4m.
No, there is no direct train from Carmarthen to Watford. However, there are services departing from Carmarthen and arriving at Watford High Street via Paddington station and Queens Park (London). The journey, including transfers, takes approximately 4h 44m.
The distance between Carmarthen and Watford is 238 miles. The road distance is 207 miles.
The best way to get from Carmarthen to Watford without a car is to train which takes 4h 44m and costs £100 - £190.
It takes approximately 4h 44m to get from Carmarthen to Watford, including transfers.
Carmarthen to Watford bus services, operated by National Express, depart from Rose and Crown station.
Carmarthen to Watford train services, operated by Great Western Railway (GWR), depart from Carmarthen station.
The best way to get from Carmarthen to Watford is to train which takes 4h 44m and costs £100 - £190. Alternatively, you can bus, which costs £30 - £65 and takes 7h 4m.
What companies run services between Carmarthen, Wales and Watford, England?
Great Western Railway (GWR) operates a train from Carmarthen to London Paddington every 4 hours. Tickets cost £90–170 and the journey takes 3h 49m. Alternatively, you can take a bus from Rose and Crown to Town Hall via Swansea Bus Station Stand B, Heathrow Central Bus Station, and Heathrow Terminal 3 in around 7h 4m.
- Phone
- +44 (0)345 7000 125
- [email protected]
- Website
- Great Western Railway (GWR)
Train from Carmarthen to London Paddington
- Ave. Duration
- 3h 49m
- Frequency
- Every 4 hours
- Estimated price
- £90–170
- Website
- Great Western Railway (GWR)
Train from Carmarthen to Swansea
- Ave. Duration
- 46 min
- Frequency
- Every 4 hours
- Estimated price
- £13–24
- Website
- Great Western Railway (GWR)
Train from Swansea to London Paddington
- Ave. Duration
- 2h 50m
- Frequency
- Hourly
- Estimated price
- £75–150
- Website
- Great Western Railway (GWR)
- Phone
- 03333 211 202
- Website
- Transport for Wales
Train from Carmarthen to Swansea
- Ave. Duration
- 48 min
- Frequency
- Hourly
- Estimated price
- £10–17
- Website
- Transport for Wales
- Phone
- +44 (0)3717 81 81 81
- Website
- National Express
Bus from Rose and Crown to Swansea Bus Station Stand B
- Ave. Duration
- 50 min
- Frequency
- Twice daily
- Estimated price
- £4–8
- Website
- National Express
Bus from Swansea Bus Station Stand B to Heathrow Central Bus Station
- Ave. Duration
- 4h 25m
- Frequency
- Hourly
- Estimated price
- £27–50
- Website
- National Express
- Phone
- 0345 646 0707
- Website
- First South & West Wales
Bus from Carmarthen Bus Station Stand 3 to Llanelli Bus Station Stand 6
- Ave. Duration
- 1h 12m
- Frequency
- Every 20 minutes
- Estimated price
- £3
- Website
- First South & West Wales
Bus from Llanelli Bus Station Stand 5 to Swansea Bus Station Stand P
- Ave. Duration
- 1h 15m
- Frequency
- Every 20 minutes
- Estimated price
- £3
- Website
- First South & West Wales
- Phone
- +49 30 300 137 300
- [email protected]
- Website
- Flixbus
Bus from Swansea City Bus Station to London Heathrow Airport
- Ave. Duration
- 4h 55m
- Frequency
- Every 4 hours
- Estimated price
- £22–35
- Website
- Flixbus
- Phone
- 0345 646 0707
- Website
- First Berkshire & The Thames Valley
Bus from Heathrow Terminal 2 to Watford Junction station
- Ave. Duration
- 55 min
- Frequency
- Every 20 minutes
- Estimated price
- £3–4
- Website
- First Berkshire & The Thames Valley
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Booking & Getting There
Carmarthen to Watford bus services, operated by National Express, arrive at Swansea Bus Station Stand B.
Carmarthen to Watford train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
Yes, the driving distance between Carmarthen to Watford is 207 miles. It takes approximately 3h 44m to drive from Carmarthen to Watford.
Book your Carmarthen to Watford train tickets online with Omio.
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