| Pen-y-Bont ar Ogwr to Rodgau | 553.57 mi (890.88 km) |
| Pen-y-Bont ar Ogwr to Roding | 725.63 mi (1,167.79 km) |
| Pen-y-Bont ar Ogwr to Rodinghausen | 516.36 mi (831.00 km) |
| Pen-y-Bont ar Ogwr to Roetgen | 428.24 mi (689.19 km) |
| Pen-y-Bont ar Ogwr to Rommerskirchen | 444.77 mi (715.78 km) |
| Pen-y-Bont ar Ogwr to Ronnenberg | 566.02 mi (910.92 km) |
| Pen-y-Bont ar Ogwr to Rosbach vor der Hohe | 540.84 mi (870.40 km) |
| Pen-y-Bont ar Ogwr to Rosdorf | 578.86 mi (931.59 km) |
| Pen-y-Bont ar Ogwr to Rosenheim | 744.73 mi (1,198.52 km) |
| Pen-y-Bont ar Ogwr to Rosrath | 467.34 mi (752.11 km) |
| Pen-y-Bont ar Ogwr to Rossdorf | 551.14 mi (886.97 km) |
| Pen-y-Bont ar Ogwr to Rosstal | 651.47 mi (1,048.45 km) |
| Pen-y-Bont ar Ogwr to Rostock | 678.52 mi (1,091.97 km) |
| Pen-y-Bont ar Ogwr to Rotenburg an der Fulda | 575.72 mi (926.53 km) |
| Pen-y-Bont ar Ogwr to Roth | 663.76 mi (1,068.22 km) |
