| Oraiokastro to Opwijk | 1,140.16 mi (1,834.91 km) |
| Oraiokastro to Ostend | 1,196.55 mi (1,925.66 km) |
| Oraiokastro to Oud-Heverlee | 1,117.37 mi (1,798.24 km) |
| Oraiokastro to Oud-Turnhout | 1,123.78 mi (1,808.54 km) |
| Oraiokastro to Oudenaarde | 1,158.02 mi (1,863.66 km) |
| Oraiokastro to Oudenburg | 1,192.07 mi (1,918.45 km) |
| Oraiokastro to Oupeye | 1,076.71 mi (1,732.79 km) |
| Oraiokastro to Overijse | 1,120.55 mi (1,803.35 km) |
| Oraiokastro to Overpelt | 1,104.37 mi (1,777.31 km) |
| Oraiokastro to Paal | 1,106.38 mi (1,780.54 km) |
| Oraiokastro to Peer | 1,099.80 mi (1,769.95 km) |
| Oraiokastro to Pepinster | 1,064.99 mi (1,713.94 km) |
| Oraiokastro to Peruwelz | 1,147.45 mi (1,846.64 km) |
| Oraiokastro to Perwez | 1,104.31 mi (1,777.21 km) |
| Oraiokastro to Philippeville | 1,099.57 mi (1,769.59 km) |
