| Royal Wootton Bassett to Oberkirch | 488.61 mi (786.35 km) |
| Royal Wootton Bassett to Obernburg am Main | 496.76 mi (799.46 km) |
| Royal Wootton Bassett to Obernkirchen | 471.99 mi (759.59 km) |
| Royal Wootton Bassett to Oberschleissheim | 639.76 mi (1,029.60 km) |
| Royal Wootton Bassett to Oberstdorf | 615.53 mi (990.60 km) |
| Royal Wootton Bassett to Obertraubling | 645.16 mi (1,038.28 km) |
| Royal Wootton Bassett to Obertshausen | 479.07 mi (770.98 km) |
| Royal Wootton Bassett to Oberursel | 465.56 mi (749.25 km) |
| Royal Wootton Bassett to Ochsenfurt | 540.11 mi (869.22 km) |
| Royal Wootton Bassett to Ochsenhausen | 579.07 mi (931.92 km) |
| Royal Wootton Bassett to Ochtrup | 390.32 mi (628.16 km) |
| Royal Wootton Bassett to Odenthal | 390.94 mi (629.16 km) |
| Royal Wootton Bassett to Oelde | 430.68 mi (693.12 km) |
| Royal Wootton Bassett to Oelsnitz | 615.84 mi (991.10 km) |
| Royal Wootton Bassett to Oer-Erkenschwick | 392.65 mi (631.91 km) |
