| Middelburg to Oberkirch | 285.10 mi (458.83 km) |
| Middelburg to Obernburg am Main | 267.65 mi (430.74 km) |
| Middelburg to Obernkirchen | 240.45 mi (386.97 km) |
| Middelburg to Oberschleissheim | 418.86 mi (674.09 km) |
| Middelburg to Oberstdorf | 411.29 mi (661.91 km) |
| Middelburg to Obertraubling | 416.15 mi (669.73 km) |
| Middelburg to Obertshausen | 248.40 mi (399.76 km) |
| Middelburg to Oberursel | 234.12 mi (376.78 km) |
| Middelburg to Ochsenfurt | 310.40 mi (499.55 km) |
| Middelburg to Ochsenhausen | 368.37 mi (592.83 km) |
| Middelburg to Ochtrup | 160.10 mi (257.65 km) |
| Middelburg to Odenthal | 154.69 mi (248.95 km) |
| Middelburg to Oelde | 195.60 mi (314.78 km) |
| Middelburg to Oelsnitz | 379.32 mi (610.46 km) |
| Middelburg to Oer-Erkenschwick | 156.36 mi (251.63 km) |
