Cardiff to Merthyr Tydfil: Road Trip Guide & Distance

20.3 miles 32.6 km · straight line
23.4 miles actual route 37.7 km · driving distance
36min estimated drive time
£4 - £4 estimated fuel cost
~32min flight time · usually no direct flights
335° NNW bearing direction

How far is Cardiff from Merthyr Tydfil?

The distance from Cardiff to Merthyr Tydfil is 20.3 miles (32.6 km) as the crow flies. Merthyr Tydfil is located NNW of Cardiff. By car, the driving distance is approximately 23.4 miles, taking about 36min. A direct flight would take roughly 32min. Both are located in United Kingdom.

This is a very short trip, perfect for a quick morning drive or an easy commute. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. 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 Cardiff and Merthyr Tydfil. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Cardiff to Merthyr Tydfil

Method Time Est. Cost Best For
Drive 36min £4 - £4 Flexible stops

Suggested Stops Between Cardiff & Merthyr Tydfil

Quick Facts

Cardiff
51.48°N, 3.18°W
Europe/London
9m elevation
Merthyr Tydfil
51.75°N, 3.38°W
Europe/London
186m elevation
Explore more routes from Merthyr Tydfil

Did You Know?

  • At walking speed (3 mph), it would take about 7 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 2 hours
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM