| Friedrichshafen to Obernburg am Main | 152.11 mi (244.80 km) |
| Friedrichshafen to Obernkirchen | 319.37 mi (513.98 km) |
| Friedrichshafen to Oberschleissheim | 104.94 mi (168.89 km) |
| Friedrichshafen to Oberstdorf | 40.67 mi (65.46 km) |
| Friedrichshafen to Obertraubling | 153.20 mi (246.55 km) |
| Friedrichshafen to Obertshausen | 169.57 mi (272.90 km) |
| Friedrichshafen to Oberursel | 181.15 mi (291.53 km) |
| Friedrichshafen to Ochsenfurt | 140.73 mi (226.48 km) |
| Friedrichshafen to Ochsenhausen | 36.27 mi (58.36 km) |
| Friedrichshafen to Ochtrup | 330.83 mi (532.42 km) |
| Friedrichshafen to Odenthal | 256.86 mi (413.38 km) |
| Friedrichshafen to Oelde | 295.09 mi (474.90 km) |
| Friedrichshafen to Oelsnitz | 226.50 mi (364.52 km) |
| Friedrichshafen to Oer-Erkenschwick | 293.32 mi (472.06 km) |
| Friedrichshafen to Oerlinghausen | 300.46 mi (483.55 km) |
