| Seymour to Oberkirch | 4,435.28 mi (7,137.89 km) |
| Seymour to Obernburg am Main | 4,430.59 mi (7,130.34 km) |
| Seymour to Obernkirchen | 4,345.77 mi (6,993.85 km) |
| Seymour to Oberschleissheim | 4,581.69 mi (7,373.52 km) |
| Seymour to Oberstdorf | 4,562.40 mi (7,342.48 km) |
| Seymour to Obertraubling | 4,578.06 mi (7,367.68 km) |
| Seymour to Obertshausen | 4,410.84 mi (7,098.57 km) |
| Seymour to Oberursel | 4,396.28 mi (7,075.13 km) |
| Seymour to Ochsenfurt | 4,472.78 mi (7,198.24 km) |
| Seymour to Ochsenhausen | 4,525.11 mi (7,282.46 km) |
| Seymour to Ochtrup | 4,276.41 mi (6,882.21 km) |
| Seymour to Odenthal | 4,312.35 mi (6,940.06 km) |
| Seymour to Oelde | 4,324.55 mi (6,959.69 km) |
| Seymour to Oelsnitz | 4,524.26 mi (7,281.09 km) |
| Seymour to Oer-Erkenschwick | 4,297.22 mi (6,915.71 km) |
