| Zelzate to Obernburg am Main | 252.01 mi (405.57 km) |
| Zelzate to Obernkirchen | 238.44 mi (383.73 km) |
| Zelzate to Oberschleissheim | 401.41 mi (646.00 km) |
| Zelzate to Oberstdorf | 391.33 mi (629.79 km) |
| Zelzate to Obertraubling | 400.81 mi (645.05 km) |
| Zelzate to Obertshausen | 233.32 mi (375.49 km) |
| Zelzate to Oberursel | 219.35 mi (353.01 km) |
| Zelzate to Ochsenfurt | 295.11 mi (474.93 km) |
| Zelzate to Ochsenhausen | 349.06 mi (561.76 km) |
| Zelzate to Ochtrup | 160.28 mi (257.94 km) |
| Zelzate to Odenthal | 143.58 mi (231.07 km) |
| Zelzate to Oelde | 191.35 mi (307.95 km) |
| Zelzate to Oelsnitz | 368.36 mi (592.82 km) |
| Zelzate to Oer-Erkenschwick | 151.07 mi (243.12 km) |
| Zelzate to Oerlinghausen | 214.81 mi (345.71 km) |
