| Eupen to Obernburg am Main | 147.87 mi (237.98 km) |
| Eupen to Obernkirchen | 174.25 mi (280.43 km) |
| Eupen to Oberschleissheim | 298.06 mi (479.69 km) |
| Eupen to Oberstdorf | 294.21 mi (473.49 km) |
| Eupen to Obertraubling | 296.70 mi (477.49 km) |
| Eupen to Obertshausen | 129.50 mi (208.40 km) |
| Eupen to Oberursel | 115.85 mi (186.44 km) |
| Eupen to Ochsenfurt | 191.06 mi (307.48 km) |
| Eupen to Ochsenhausen | 249.65 mi (401.77 km) |
| Eupen to Ochtrup | 119.52 mi (192.36 km) |
| Eupen to Odenthal | 54.76 mi (88.13 km) |
| Eupen to Oelde | 123.52 mi (198.79 km) |
| Eupen to Oelsnitz | 269.75 mi (434.12 km) |
| Eupen to Oer-Erkenschwick | 87.43 mi (140.71 km) |
| Eupen to Oerlinghausen | 146.37 mi (235.56 km) |
