| Lone Tree to Oberkirch | 5,104.12 mi (8,214.30 km) |
| Lone Tree to Obernburg am Main | 5,078.33 mi (8,172.78 km) |
| Lone Tree to Obernkirchen | 4,964.46 mi (7,989.53 km) |
| Lone Tree to Oberschleissheim | 5,233.62 mi (8,422.69 km) |
| Lone Tree to Oberstdorf | 5,231.32 mi (8,419.00 km) |
| Lone Tree to Obertraubling | 5,218.34 mi (8,398.10 km) |
| Lone Tree to Obertshausen | 5,057.64 mi (8,139.49 km) |
| Lone Tree to Oberursel | 5,042.89 mi (8,115.75 km) |
| Lone Tree to Ochsenfurt | 5,117.49 mi (8,235.80 km) |
| Lone Tree to Ochsenhausen | 5,188.56 mi (8,350.18 km) |
| Lone Tree to Ochtrup | 4,906.18 mi (7,895.73 km) |
| Lone Tree to Odenthal | 4,956.95 mi (7,977.44 km) |
| Lone Tree to Oelde | 4,953.82 mi (7,972.40 km) |
| Lone Tree to Oelsnitz | 5,147.86 mi (8,284.67 km) |
| Lone Tree to Oer-Erkenschwick | 4,933.65 mi (7,939.95 km) |
