Calculate distance between two cities:
Distance calculator › United Kingdom › Wales › Carmarthen › How to go from Carmarthen to Builth Wells
Step by step driving directions and route map on how to go from Carmarthen to Builth Wells by road.
Distance from Carmarthen to Builth Wells: 51.2 mi
Reverse route: Driving directions from Builth Wells to Carmarthen
A40, A483
51.2 mi58 mins