| Pen-y-Bont ar Ogwr to Radauti | 1,333.45 mi (2,145.98 km) |
| Pen-y-Bont ar Ogwr to Ramnicu Sarat | 1,454.53 mi (2,340.85 km) |
| Pen-y-Bont ar Ogwr to Ramnicu Valcea | 1,348.92 mi (2,170.88 km) |
| Pen-y-Bont ar Ogwr to Rasnov | 1,379.14 mi (2,219.51 km) |
| Pen-y-Bont ar Ogwr to Reghin | 1,310.68 mi (2,109.33 km) |
| Pen-y-Bont ar Ogwr to Resita | 1,236.73 mi (1,990.33 km) |
| Pen-y-Bont ar Ogwr to Roman | 1,401.72 mi (2,255.85 km) |
| Pen-y-Bont ar Ogwr to Rosiori de Vede | 1,409.81 mi (2,268.87 km) |
| Pen-y-Bont ar Ogwr to Rovinari | 1,303.94 mi (2,098.49 km) |
| Pen-y-Bont ar Ogwr to Roznov | 1,386.43 mi (2,231.25 km) |
| Pen-y-Bont ar Ogwr to Sabaoani | 1,395.82 mi (2,246.36 km) |
| Pen-y-Bont ar Ogwr to Sacele | 1,388.96 mi (2,235.31 km) |
| Pen-y-Bont ar Ogwr to Sacueni | 1,182.01 mi (1,902.26 km) |
| Pen-y-Bont ar Ogwr to Salcea | 1,357.87 mi (2,185.28 km) |
| Pen-y-Bont ar Ogwr to Salonta | 1,178.89 mi (1,897.24 km) |
