| Southfield to Oberkirch | 4,170.39 mi (6,711.59 km) |
| Southfield to Obernburg am Main | 4,163.17 mi (6,699.97 km) |
| Southfield to Obernkirchen | 4,075.15 mi (6,558.33 km) |
| Southfield to Oberschleissheim | 4,315.09 mi (6,944.47 km) |
| Southfield to Oberstdorf | 4,297.82 mi (6,916.68 km) |
| Southfield to Obertraubling | 4,310.14 mi (6,936.50 km) |
| Southfield to Obertshausen | 4,143.27 mi (6,667.96 km) |
| Southfield to Oberursel | 4,128.66 mi (6,644.44 km) |
| Southfield to Ochsenfurt | 4,205.11 mi (6,767.48 km) |
| Southfield to Ochsenhausen | 4,259.76 mi (6,855.42 km) |
| Southfield to Ochtrup | 4,006.73 mi (6,448.20 km) |
| Southfield to Odenthal | 4,044.32 mi (6,508.70 km) |
| Southfield to Oelde | 4,054.92 mi (6,525.77 km) |
| Southfield to Oelsnitz | 4,254.49 mi (6,846.93 km) |
| Southfield to Oer-Erkenschwick | 4,028.27 mi (6,482.88 km) |
