| Clearfield to Oberkirch | 5,249.42 mi (8,448.12 km) |
| Clearfield to Obernburg am Main | 5,214.28 mi (8,391.57 km) |
| Clearfield to Obernkirchen | 5,088.99 mi (8,189.94 km) |
| Clearfield to Oberschleissheim | 5,369.21 mi (8,640.90 km) |
| Clearfield to Oberstdorf | 5,374.83 mi (8,649.95 km) |
| Clearfield to Obertraubling | 5,348.79 mi (8,608.05 km) |
| Clearfield to Obertshausen | 5,193.47 mi (8,358.09 km) |
| Clearfield to Oberursel | 5,178.86 mi (8,334.56 km) |
| Clearfield to Ochsenfurt | 5,251.47 mi (8,451.42 km) |
| Clearfield to Ochsenhausen | 5,330.13 mi (8,578.02 km) |
| Clearfield to Ochtrup | 5,036.60 mi (8,105.62 km) |
| Clearfield to Odenthal | 5,093.30 mi (8,196.87 km) |
| Clearfield to Oelde | 5,083.27 mi (8,180.73 km) |
| Clearfield to Oelsnitz | 5,271.77 mi (8,484.09 km) |
| Clearfield to Oer-Erkenschwick | 5,066.65 mi (8,153.99 km) |
