| San Celoni to Oberkirch | 545.53 mi (877.95 km) |
| San Celoni to Obernburg am Main | 647.41 mi (1,041.91 km) |
| San Celoni to Obernkirchen | 793.97 mi (1,277.78 km) |
| San Celoni to Oberschleissheim | 633.46 mi (1,019.46 km) |
| San Celoni to Oberstdorf | 550.20 mi (885.47 km) |
| San Celoni to Obertraubling | 687.21 mi (1,105.95 km) |
| San Celoni to Obertshausen | 653.75 mi (1,052.10 km) |
| San Celoni to Oberursel | 656.39 mi (1,056.37 km) |
| San Celoni to Ochsenfurt | 659.82 mi (1,061.87 km) |
| San Celoni to Ochsenhausen | 571.99 mi (920.53 km) |
| San Celoni to Ochtrup | 759.25 mi (1,221.90 km) |
| San Celoni to Odenthal | 681.90 mi (1,097.41 km) |
| San Celoni to Oelde | 749.76 mi (1,206.62 km) |
| San Celoni to Oelsnitz | 759.53 mi (1,222.34 km) |
| San Celoni to Oer-Erkenschwick | 723.37 mi (1,164.16 km) |
