| Cary to Oberkirch | 4,294.12 mi (6,910.71 km) |
| Cary to Obernburg am Main | 4,301.70 mi (6,922.91 km) |
| Cary to Obernkirchen | 4,235.12 mi (6,815.77 km) |
| Cary to Oberschleissheim | 4,447.44 mi (7,157.46 km) |
| Cary to Oberstdorf | 4,418.76 mi (7,111.31 km) |
| Cary to Obertraubling | 4,450.50 mi (7,162.39 km) |
| Cary to Obertshausen | 4,282.89 mi (6,892.64 km) |
| Cary to Oberursel | 4,268.73 mi (6,869.86 km) |
| Cary to Ochsenfurt | 4,344.78 mi (6,992.24 km) |
| Cary to Ochsenhausen | 4,385.34 mi (7,057.52 km) |
| Cary to Ochtrup | 4,160.96 mi (6,696.42 km) |
| Cary to Odenthal | 4,187.68 mi (6,739.42 km) |
| Cary to Oelde | 4,208.37 mi (6,772.72 km) |
| Cary to Oelsnitz | 4,407.16 mi (7,092.63 km) |
| Cary to Oer-Erkenschwick | 4,177.54 mi (6,723.10 km) |
