| Cities | Distance |
|---|---|
| Ostend to Opwijk | 57.69 mi (92.84 km) |
| Ostend to Oud-Heverlee | 80.62 mi (129.75 km) |
| Ostend to Oud-Turnhout | 89.43 mi (143.93 km) |
| Ostend to Oudenaarde | 39.35 mi (63.33 km) |
| Ostend to Oudenburg | 4.56 mi (7.34 km) |
| Ostend to Oupeye | 123.78 mi (199.21 km) |
| Ostend to Overijse | 76.54 mi (123.18 km) |
| Ostend to Overpelt | 108.07 mi (173.91 km) |
| Ostend to Paal | 98.54 mi (158.59 km) |
| Ostend to Peer | 109.95 mi (176.94 km) |
| Ostend to Pepinster | 134.21 mi (215.99 km) |
| Ostend to Peruwelz | 56.91 mi (91.58 km) |
| Ostend to Perwez | 92.43 mi (148.75 km) |
| Ostend to Philippeville | 100.56 mi (161.83 km) |
| Ostend to Plombieres | 136.14 mi (219.10 km) |