| Seaford to Oberkirch | 388.86 mi (625.81 km) |
| Seaford to Obernburg am Main | 403.87 mi (649.97 km) |
| Seaford to Obernkirchen | 400.97 mi (645.29 km) |
| Seaford to Oberschleissheim | 542.43 mi (872.96 km) |
| Seaford to Oberstdorf | 515.19 mi (829.12 km) |
| Seaford to Obertraubling | 550.98 mi (886.72 km) |
| Seaford to Obertshausen | 387.31 mi (623.31 km) |
| Seaford to Oberursel | 374.50 mi (602.69 km) |
| Seaford to Ochsenfurt | 447.09 mi (719.52 km) |
| Seaford to Ochsenhausen | 479.79 mi (772.14 km) |
| Seaford to Ochtrup | 320.61 mi (515.97 km) |
| Seaford to Odenthal | 306.17 mi (492.73 km) |
| Seaford to Oelde | 355.23 mi (571.68 km) |
| Seaford to Oelsnitz | 529.24 mi (851.73 km) |
| Seaford to Oer-Erkenschwick | 315.22 mi (507.30 km) |
