| Mountain Ash to Redon | 284.39 mi (457.68 km) |
| Mountain Ash to Reims | 366.12 mi (589.21 km) |
| Mountain Ash to Rennes | 257.77 mi (414.84 km) |
| Mountain Ash to Revel | 620.68 mi (998.88 km) |
| Mountain Ash to Reze | 320.66 mi (516.05 km) |
| Mountain Ash to Riedisheim | 550.88 mi (886.55 km) |
| Mountain Ash to Rillieux-la-Pape | 552.61 mi (889.34 km) |
| Mountain Ash to Riom | 496.82 mi (799.56 km) |
| Mountain Ash to Riorges | 514.77 mi (828.44 km) |
| Mountain Ash to Ris-Orangis | 330.81 mi (532.38 km) |
| Mountain Ash to Rive-de-Gier | 559.81 mi (900.93 km) |
| Mountain Ash to Rivesaltes | 681.52 mi (1,096.79 km) |
| Mountain Ash to Rixheim | 552.32 mi (888.87 km) |
| Mountain Ash to Roanne | 515.94 mi (830.32 km) |
| Mountain Ash to Roche-la-Moliere | 556.52 mi (895.63 km) |
