| Abertawe to Oberkirch | 573.70 mi (923.28 km) |
| Abertawe to Obernburg am Main | 584.72 mi (941.02 km) |
| Abertawe to Obernkirchen | 557.65 mi (897.45 km) |
| Abertawe to Oberschleissheim | 726.57 mi (1,169.30 km) |
| Abertawe to Oberstdorf | 699.86 mi (1,126.32 km) |
| Abertawe to Obertraubling | 732.97 mi (1,179.59 km) |
| Abertawe to Obertshausen | 567.15 mi (912.74 km) |
| Abertawe to Oberursel | 553.70 mi (891.09 km) |
| Abertawe to Ochsenfurt | 628.07 mi (1,010.78 km) |
| Abertawe to Ochsenhausen | 664.61 mi (1,069.58 km) |
| Abertawe to Ochtrup | 476.09 mi (766.20 km) |
| Abertawe to Odenthal | 479.06 mi (770.97 km) |
| Abertawe to Oelde | 517.49 mi (832.82 km) |
| Abertawe to Oelsnitz | 703.96 mi (1,132.91 km) |
| Abertawe to Oer-Erkenschwick | 479.93 mi (772.37 km) |
