There are 5 ways to get from Carmarthen to Slough 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 Readingtrain Carmarthen - London Paddington / ...
3h 56m£86–167Bus
cheapest- 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 / ...
5h 52m£31–56Drive 189 mi
- Drive from Carmarthen to Sloughcar 189 mi
3h 14m£47–68Train via Swansea
- Take the train from Carmarthen to Swanseatrain Carmarthen - Cardiff Central / ...
- Take the train from Swansea to Readingtrain Swansea - London Paddington / ...
4h 15m£83–170Train, bus
- Take the train from Carmarthen to Newport (S Wales)train Haverfordwest - Manchester Piccadilly / ...
- Take the bus from Newport Train Station to London Heathrow Airport Terminal 5bus Uk940
6h 41m£47–95
Carmarthen to Slough by train
Comparing Your Travel Options
The cheapest way to get from Carmarthen to Slough is to bus which costs £30 - £60 and takes 5h 52m.
The fastest way to get from Carmarthen to Slough is to drive which takes 3h 14m and costs £45 - £70.
No, there is no direct bus from Carmarthen to Slough. However, there are services departing from Rose and Crown and arriving at Wellington Street Stop H via Swansea Bus Station Stand B and Heathrow Central Bus Station. The journey, including transfers, takes approximately 5h 52m.
No, there is no direct train from Carmarthen to Slough. However, there are services departing from Carmarthen and arriving at Slough via Reading. The journey, including transfers, takes approximately 3h 56m.
The distance between Carmarthen and Slough is 204 miles. The road distance is 190.1 miles.
The best way to get from Carmarthen to Slough without a car is to train which takes 3h 56m and costs £85 - £170.
It takes approximately 3h 56m to get from Carmarthen to Slough, including transfers.
Carmarthen to Slough bus services, operated by National Express, depart from Rose and Crown station.
Carmarthen to Slough train services, operated by Great Western Railway (GWR), depart from Carmarthen station.
The best way to get from Carmarthen to Slough is to train which takes 3h 56m and costs £85 - £170. Alternatively, you can bus, which costs £30 - £60 and takes 5h 52m.
What companies run services between Carmarthen, Wales and Slough, England?
Great Western Railway (GWR) operates a train from Carmarthen to Reading every 4 hours. Tickets cost £75–150 and the journey takes 3h 24m. Alternatively, you can take a bus from Rose and Crown to Wellington Street Stop H via Swansea Bus Station Stand B and Heathrow Central Bus Station in around 5h 52m.
- Phone
- +44 (0)345 7000 125
- [email protected]
- Website
- Great Western Railway (GWR)
Train from Carmarthen to Reading
- Ave. Duration
- 3h 24m
- Frequency
- Every 4 hours
- Estimated price
- £75–150
- 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 Reading
- Ave. Duration
- 2h 22m
- Frequency
- Hourly
- Estimated price
- £65–120
- Website
- Great Western Railway (GWR)
Train from Carmarthen to Newport (S Wales)
- Ave. Duration
- 2h 8m
- Frequency
- Every 4 hours
- Estimated price
- £35–70
- Website
- Great Western Railway (GWR)
- 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
- 3 times a day
- Estimated price
- £4–7
- Website
- National Express
Bus from Swansea Bus Station Stand B to Heathrow Central Bus Station
- Ave. Duration
- 4h 10m
- Frequency
- Hourly
- Estimated price
- £25–45
- Website
- National Express
Want to know more about travelling around United Kingdom
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the UK: What do I need to know?
Read the travel guide
Want to know more about Flixbus?
Read the travel guide
Booking & Getting There
Carmarthen to Slough bus services, operated by National Express, arrive at Swansea Bus Station Stand B.
Carmarthen to Slough train services, operated by Great Western Railway (GWR), arrive at Reading station.
Yes, the driving distance between Carmarthen to Slough is 190 miles. It takes approximately 3h 14m to drive from Carmarthen to Slough.
Book your Carmarthen to Slough train tickets online with Omio.
Book your Carmarthen to Slough bus tickets online with Omio.
There are 3170+ hotels available in Slough.










