Distance from Merthyr Tydfil to Letchworth Garden City

The distance from Merthyr Tydfil to Letchworth Garden City is 274 km (or 171 mi). The estimated driving time for the trip is 3h 10min and the main road for this route is the A40. In a straight line, the distance between Merthyr Tydfil and Letchworth Garden City is 219 km (137 mi).