Distance from Carmarthen to Merthyr Tydfil by car

54 miles or 87 km is driving distance from Carmarthen to Merthyr Tydfil by car. How far is it from Carmarthen to Merthyr Tydfil? It will take approximately 01 hours 03 minutes to cover the distance. Flight distance or as the crow flies is 40 miles (65 km). Fuel Cost Calculator is our additional tool, Booking and Rental Cars options are also featured for our users.

Drive distance
54 Miles
/
87 Km
Drive distance
Fuel consumption
1.46 Gallons
6.96 Litres
Fuel consumption
Flight distance
40 Miles
/
65 Km
Flight distance

How far is Carmarthen from Merthyr Tydfil?

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