| Stadskanaal to Oberkirch | 311.42 mi (501.18 km) |
| Stadskanaal to Obernburg am Main | 236.80 mi (381.09 km) |
| Stadskanaal to Obernkirchen | 103.53 mi (166.62 km) |
| Stadskanaal to Oberschleissheim | 384.42 mi (618.66 km) |
| Stadskanaal to Oberstdorf | 412.18 mi (663.33 km) |
| Stadskanaal to Obertraubling | 358.37 mi (576.73 km) |
| Stadskanaal to Obertshausen | 217.15 mi (349.47 km) |
| Stadskanaal to Oberursel | 204.37 mi (328.89 km) |
| Stadskanaal to Ochsenfurt | 266.69 mi (429.20 km) |
| Stadskanaal to Ochsenhausen | 363.90 mi (585.64 km) |
| Stadskanaal to Ochtrup | 54.67 mi (87.99 km) |
| Stadskanaal to Odenthal | 134.92 mi (217.13 km) |
| Stadskanaal to Oelde | 94.19 mi (151.58 km) |
| Stadskanaal to Oelsnitz | 285.10 mi (458.82 km) |
| Stadskanaal to Oer-Erkenschwick | 93.53 mi (150.52 km) |
