| Wilhelmshaven to Oberkirch | 345.14 mi (555.45 km) |
| Wilhelmshaven to Obernburg am Main | 258.68 mi (416.31 km) |
| Wilhelmshaven to Obernkirchen | 96.88 mi (155.91 km) |
| Wilhelmshaven to Oberschleissheim | 394.56 mi (634.99 km) |
| Wilhelmshaven to Oberstdorf | 433.39 mi (697.48 km) |
| Wilhelmshaven to Obertraubling | 360.75 mi (580.57 km) |
| Wilhelmshaven to Obertshausen | 241.20 mi (388.18 km) |
| Wilhelmshaven to Oberursel | 230.63 mi (371.17 km) |
| Wilhelmshaven to Ochsenfurt | 280.87 mi (452.01 km) |
| Wilhelmshaven to Ochsenhausen | 385.46 mi (620.33 km) |
| Wilhelmshaven to Ochtrup | 99.06 mi (159.42 km) |
| Wilhelmshaven to Odenthal | 177.40 mi (285.50 km) |
| Wilhelmshaven to Oelde | 117.15 mi (188.53 km) |
| Wilhelmshaven to Oelsnitz | 275.79 mi (443.84 km) |
| Wilhelmshaven to Oer-Erkenschwick | 135.18 mi (217.56 km) |
