| Fontana to Oberkirch | 918.28 mi (1,477.83 km) |
| Fontana to Obernburg am Main | 987.42 mi (1,589.10 km) |
| Fontana to Obernkirchen | 1,149.07 mi (1,849.25 km) |
| Fontana to Oberschleissheim | 854.79 mi (1,375.65 km) |
| Fontana to Oberstdorf | 811.67 mi (1,306.25 km) |
| Fontana to Obertraubling | 899.47 mi (1,447.57 km) |
| Fontana to Obertshausen | 1,006.45 mi (1,619.72 km) |
| Fontana to Oberursel | 1,018.93 mi (1,639.80 km) |
| Fontana to Ochsenfurt | 963.70 mi (1,550.93 km) |
| Fontana to Ochsenhausen | 859.91 mi (1,383.90 km) |
| Fontana to Ochtrup | 1,169.29 mi (1,881.80 km) |
| Fontana to Odenthal | 1,094.66 mi (1,761.68 km) |
| Fontana to Oelde | 1,131.77 mi (1,821.42 km) |
| Fontana to Oelsnitz | 998.96 mi (1,607.66 km) |
| Fontana to Oer-Erkenschwick | 1,131.87 mi (1,821.56 km) |
