| Fredericia to Obernburg am Main | 396.49 mi (638.09 km) |
| Fredericia to Obernkirchen | 229.47 mi (369.30 km) |
| Fredericia to Oberschleissheim | 511.38 mi (822.99 km) |
| Fredericia to Oberstdorf | 564.05 mi (907.75 km) |
| Fredericia to Obertraubling | 467.31 mi (752.07 km) |
| Fredericia to Obertshausen | 381.93 mi (614.65 km) |
| Fredericia to Oberursel | 373.77 mi (601.53 km) |
| Fredericia to Ochsenfurt | 409.02 mi (658.25 km) |
| Fredericia to Ochsenhausen | 517.89 mi (833.46 km) |
| Fredericia to Ochtrup | 254.51 mi (409.59 km) |
| Fredericia to Odenthal | 331.50 mi (533.50 km) |
| Fredericia to Oelde | 266.11 mi (428.26 km) |
| Fredericia to Oelsnitz | 369.69 mi (594.97 km) |
| Fredericia to Oer-Erkenschwick | 289.82 mi (466.42 km) |
| Fredericia to Oerlinghausen | 252.63 mi (406.57 km) |
