| Cities | Distance |
|---|---|
| Ostwald to Opwijk | 229.48 mi (369.32 km) |
| Ostwald to Ostend | 282.21 mi (454.17 km) |
| Ostwald to Oud-Heverlee | 208.32 mi (335.25 km) |
| Ostwald to Oud-Turnhout | 226.36 mi (364.30 km) |
| Ostwald to Oudenaarde | 242.88 mi (390.88 km) |
| Ostwald to Oudenburg | 277.65 mi (446.83 km) |
| Ostwald to Oupeye | 175.49 mi (282.42 km) |
| Ostwald to Overijse | 209.76 mi (337.57 km) |
| Ostwald to Overpelt | 210.63 mi (338.98 km) |
| Ostwald to Paal | 205.87 mi (331.32 km) |
| Ostwald to Peer | 204.82 mi (329.62 km) |
| Ostwald to Pepinster | 163.15 mi (262.57 km) |
| Ostwald to Peruwelz | 229.61 mi (369.52 km) |
| Ostwald to Perwez | 193.29 mi (311.07 km) |
| Ostwald to Philippeville | 182.28 mi (293.34 km) |