| Hildburghausen to Opwijk | 289.83 mi (466.43 km) |
| Hildburghausen to Ostend | 346.17 mi (557.10 km) |
| Hildburghausen to Oud-Heverlee | 268.12 mi (431.49 km) |
| Hildburghausen to Oud-Turnhout | 258.96 mi (416.76 km) |
| Hildburghausen to Oudenaarde | 314.65 mi (506.38 km) |
| Hildburghausen to Oudenburg | 342.39 mi (551.02 km) |
| Hildburghausen to Oupeye | 225.00 mi (362.11 km) |
| Hildburghausen to Overijse | 273.73 mi (440.52 km) |
| Hildburghausen to Overpelt | 239.23 mi (385.00 km) |
| Hildburghausen to Paal | 247.63 mi (398.51 km) |
| Hildburghausen to Peer | 236.59 mi (380.75 km) |
| Hildburghausen to Pepinster | 217.06 mi (349.32 km) |
| Hildburghausen to Peruwelz | 315.14 mi (507.17 km) |
| Hildburghausen to Perwez | 261.05 mi (420.11 km) |
| Hildburghausen to Philippeville | 273.92 mi (440.83 km) |
