| Obernburg am Main to Opwijk | 231.75 mi (372.97 km) |
| Obernburg am Main to Ostend | 289.44 mi (465.81 km) |
| Obernburg am Main to Oud-Heverlee | 208.89 mi (336.18 km) |
| Obernburg am Main to Oud-Turnhout | 208.99 mi (336.33 km) |
| Obernburg am Main to Oudenaarde | 254.04 mi (408.83 km) |
| Obernburg am Main to Oudenburg | 285.25 mi (459.07 km) |
| Obernburg am Main to Oupeye | 165.70 mi (266.67 km) |
| Obernburg am Main to Overijse | 213.47 mi (343.55 km) |
| Obernburg am Main to Overpelt | 189.21 mi (304.50 km) |
| Obernburg am Main to Paal | 193.26 mi (311.03 km) |
| Obernburg am Main to Peer | 185.07 mi (297.84 km) |
| Obernburg am Main to Pepinster | 155.35 mi (250.02 km) |
| Obernburg am Main to Peruwelz | 250.27 mi (402.78 km) |
| Obernburg am Main to Perwez | 198.71 mi (319.79 km) |
| Obernburg am Main to Philippeville | 205.31 mi (330.41 km) |
