| Dyer to Oberkirch | 4,378.68 mi (7,046.80 km) |
| Dyer to Obernburg am Main | 4,368.63 mi (7,030.63 km) |
| Dyer to Obernkirchen | 4,276.38 mi (6,882.17 km) |
| Dyer to Oberschleissheim | 4,521.40 mi (7,276.50 km) |
| Dyer to Oberstdorf | 4,506.34 mi (7,252.25 km) |
| Dyer to Obertraubling | 4,514.88 mi (7,266.00 km) |
| Dyer to Obertshausen | 4,348.57 mi (6,998.35 km) |
| Dyer to Oberursel | 4,333.90 mi (6,974.74 km) |
| Dyer to Ochsenfurt | 4,410.25 mi (7,097.61 km) |
| Dyer to Ochsenhausen | 4,467.50 mi (7,189.74 km) |
| Dyer to Ochtrup | 4,209.37 mi (6,774.33 km) |
| Dyer to Odenthal | 4,249.11 mi (6,838.29 km) |
| Dyer to Oelde | 4,257.61 mi (6,851.96 km) |
| Dyer to Oelsnitz | 4,456.81 mi (7,172.54 km) |
| Dyer to Oer-Erkenschwick | 4,231.90 mi (6,810.59 km) |
