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How to get fromCardiff Bay (Water) to Carmarthenby bus, train, or car

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There are 3 ways to get from Cardiff Bay (Water) to Carmarthen by bus, train, 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.

  1. Bus

    best
    1. Take the bus from Mermaid Quay to Carmarthen Bus Station Stand 1bus bus T1c
    2h 5m
  2. Drive 68.5 mi

    cheapest
    1. Drive from Cardiff Bay (Water) to Carmarthencar car 68.5 mi
    1h 21m
    £17–24
  3. Train

    1. Take the train from Cardiff Central to Carmarthentrain train Bristol Temple Meads - Milford Haven / ...
    2h 28m
    £32–68

Cardiff Bay (Water) to Carmarthen by bus and train

Calendar167Weekly Services
Duration2h 28mAverage Duration
Ticket£32Cheapest Price
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Questions & Answers

What companies run services between Cardiff Bay (Water), Wales and Carmarthen, Wales?

Mid Wales Travel operates a bus from Mermaid Quay to Carmarthen Bus Station Stand 1 twice daily, and the journey takes 2h 5m. Alternatively, Transport for Wales operates a train from Cardiff Central to Carmarthen hourly. Tickets cost £30–55 and the journey takes 1h 51m. Great Western Railway (GWR) also services this route every 4 hours.

Train operators
Bus operators

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