| Mountain Ash to Rochefort | 411.49 mi (662.24 km) |
| Mountain Ash to Rodez | 575.98 mi (926.96 km) |
| Mountain Ash to Rognac | 692.91 mi (1,115.13 km) |
| Mountain Ash to Roissy-en-Brie | 332.89 mi (535.74 km) |
| Mountain Ash to Romainville | 321.17 mi (516.87 km) |
| Mountain Ash to Romans-sur-Isere | 599.16 mi (964.26 km) |
| Mountain Ash to Rombas | 448.86 mi (722.37 km) |
| Mountain Ash to Romilly-sur-Seine | 383.17 mi (616.65 km) |
| Mountain Ash to Ronchin | 289.92 mi (466.59 km) |
| Mountain Ash to Roncq | 288.39 mi (464.12 km) |
| Mountain Ash to Roquebrune-sur-Argens | 734.89 mi (1,182.70 km) |
| Mountain Ash to Roquevaire | 711.02 mi (1,144.28 km) |
| Mountain Ash to Rosny-sous-Bois | 323.63 mi (520.83 km) |
| Mountain Ash to Roubaix | 292.16 mi (470.19 km) |
| Mountain Ash to Rouen | 249.68 mi (401.82 km) |
