| Unicov to Obernburg am Main | 355.71 mi (572.46 km) |
| Unicov to Obernkirchen | 387.97 mi (624.38 km) |
| Unicov to Oberschleissheim | 272.71 mi (438.88 km) |
| Unicov to Oberstdorf | 352.51 mi (567.31 km) |
| Unicov to Obertraubling | 229.71 mi (369.68 km) |
| Unicov to Obertshausen | 369.10 mi (594.00 km) |
| Unicov to Oberursel | 380.55 mi (612.44 km) |
| Unicov to Ochsenfurt | 315.20 mi (507.26 km) |
| Unicov to Ochsenhausen | 346.01 mi (556.85 km) |
| Unicov to Ochtrup | 463.06 mi (745.23 km) |
| Unicov to Odenthal | 448.79 mi (722.25 km) |
| Unicov to Oelde | 416.53 mi (670.35 km) |
| Unicov to Oelsnitz | 224.07 mi (360.60 km) |
| Unicov to Oer-Erkenschwick | 450.43 mi (724.90 km) |
| Unicov to Oerlinghausen | 398.36 mi (641.10 km) |
