| Weener to Oberkirch | 321.87 mi (518.00 km) |
| Weener to Obernburg am Main | 242.48 mi (390.23 km) |
| Weener to Obernkirchen | 96.56 mi (155.40 km) |
| Weener to Oberschleissheim | 386.44 mi (621.91 km) |
| Weener to Oberstdorf | 418.24 mi (673.10 km) |
| Weener to Obertraubling | 357.56 mi (575.43 km) |
| Weener to Obertshausen | 223.52 mi (359.72 km) |
| Weener to Oberursel | 211.48 mi (340.34 km) |
| Weener to Ochsenfurt | 269.71 mi (434.05 km) |
| Weener to Ochsenhausen | 369.98 mi (595.42 km) |
| Weener to Ochtrup | 66.94 mi (107.73 km) |
| Weener to Odenthal | 147.93 mi (238.06 km) |
| Weener to Oelde | 98.15 mi (157.96 km) |
| Weener to Oelsnitz | 279.93 mi (450.51 km) |
| Weener to Oer-Erkenschwick | 105.60 mi (169.95 km) |
