| Seraing to Obernburg am Main | 168.98 mi (271.95 km) |
| Seraing to Obernkirchen | 194.43 mi (312.90 km) |
| Seraing to Oberschleissheim | 316.64 mi (509.58 km) |
| Seraing to Oberstdorf | 308.13 mi (495.89 km) |
| Seraing to Obertraubling | 317.64 mi (511.19 km) |
| Seraing to Obertshausen | 151.29 mi (243.48 km) |
| Seraing to Oberursel | 138.04 mi (222.15 km) |
| Seraing to Ochsenfurt | 212.31 mi (341.68 km) |
| Seraing to Ochsenhausen | 264.91 mi (426.33 km) |
| Seraing to Ochtrup | 133.69 mi (215.15 km) |
| Seraing to Odenthal | 77.13 mi (124.13 km) |
| Seraing to Oelde | 143.57 mi (231.06 km) |
| Seraing to Oelsnitz | 293.12 mi (471.73 km) |
| Seraing to Oer-Erkenschwick | 105.45 mi (169.70 km) |
| Seraing to Oerlinghausen | 166.92 mi (268.64 km) |
