Llanelli to Merthyr Tydfil: Road Trip Guide & Distance

How far is Llanelli from Merthyr Tydfil?

The distance from Llanelli to Merthyr Tydfil is 33.9 miles (54.5 km) as the crow flies. Merthyr Tydfil is located E of Llanelli. By car, the driving distance is approximately 44.1 miles, taking about 53min. A direct flight would take roughly 34min. Both are located in United Kingdom.

This is a very short trip, perfect for a quick morning drive or an easy commute. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Llanelli and Merthyr Tydfil. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.