| Ekeren to Obernburg am Main | 230.05 mi (370.22 km) |
| Ekeren to Obernkirchen | 212.10 mi (341.34 km) |
| Ekeren to Oberschleissheim | 381.50 mi (613.96 km) |
| Ekeren to Oberstdorf | 375.63 mi (604.52 km) |
| Ekeren to Obertraubling | 378.57 mi (609.24 km) |
| Ekeren to Obertshausen | 210.82 mi (339.28 km) |
| Ekeren to Oberursel | 196.57 mi (316.35 km) |
| Ekeren to Ochsenfurt | 272.81 mi (439.05 km) |
| Ekeren to Ochsenhausen | 332.07 mi (534.42 km) |
| Ekeren to Ochtrup | 134.67 mi (216.73 km) |
| Ekeren to Odenthal | 118.26 mi (190.32 km) |
| Ekeren to Oelde | 164.79 mi (265.20 km) |
| Ekeren to Oelsnitz | 343.16 mi (552.27 km) |
| Ekeren to Oer-Erkenschwick | 124.48 mi (200.34 km) |
| Ekeren to Oerlinghausen | 188.28 mi (303.01 km) |
