| Bidston to Oberkirch | 589.73 mi (949.08 km) |
| Bidston to Obernburg am Main | 578.09 mi (930.34 km) |
| Bidston to Obernkirchen | 514.42 mi (827.88 km) |
| Bidston to Oberschleissheim | 729.65 mi (1,174.26 km) |
| Bidston to Oberstdorf | 717.48 mi (1,154.67 km) |
| Bidston to Obertraubling | 726.01 mi (1,168.39 km) |
| Bidston to Obertshausen | 558.46 mi (898.76 km) |
| Bidston to Oberursel | 543.97 mi (875.44 km) |
| Bidston to Ochsenfurt | 620.46 mi (998.54 km) |
| Bidston to Ochsenhausen | 676.71 mi (1,089.06 km) |
| Bidston to Ochtrup | 436.40 mi (702.31 km) |
| Bidston to Odenthal | 461.04 mi (741.97 km) |
| Bidston to Oelde | 482.76 mi (776.92 km) |
| Bidston to Oelsnitz | 680.20 mi (1,094.67 km) |
| Bidston to Oer-Erkenschwick | 450.47 mi (724.96 km) |
