| Pen-y-Bont ar Ogwr to Oschatz | 717.77 mi (1,155.14 km) |
| Pen-y-Bont ar Ogwr to Oschersleben | 633.99 mi (1,020.31 km) |
| Pen-y-Bont ar Ogwr to Osnabruck | 498.15 mi (801.70 km) |
| Pen-y-Bont ar Ogwr to Ostbevern | 489.29 mi (787.44 km) |
| Pen-y-Bont ar Ogwr to Osterburg | 655.29 mi (1,054.59 km) |
| Pen-y-Bont ar Ogwr to Ostercappeln | 506.03 mi (814.38 km) |
| Pen-y-Bont ar Ogwr to Osterhofen | 758.83 mi (1,221.22 km) |
| Pen-y-Bont ar Ogwr to Osterholz-Scharmbeck | 534.74 mi (860.58 km) |
| Pen-y-Bont ar Ogwr to Osternienburg | 667.54 mi (1,074.30 km) |
| Pen-y-Bont ar Ogwr to Osterode | 592.64 mi (953.77 km) |
| Pen-y-Bont ar Ogwr to Osterwieck | 611.49 mi (984.10 km) |
| Pen-y-Bont ar Ogwr to Ostfildern | 598.82 mi (963.70 km) |
| Pen-y-Bont ar Ogwr to Osthofen | 536.06 mi (862.70 km) |
| Pen-y-Bont ar Ogwr to Ostrhauderfehn | 485.24 mi (780.92 km) |
| Pen-y-Bont ar Ogwr to Ostringen | 563.47 mi (906.82 km) |
