| Cities | Distance |
|---|---|
| Onnaing to Opwijk | 47.50 mi (76.44 km) |
| Onnaing to Ostend | 65.04 mi (104.68 km) |
| Onnaing to Oud-Heverlee | 56.06 mi (90.22 km) |
| Onnaing to Oud-Turnhout | 88.14 mi (141.86 km) |
| Onnaing to Oudenaarde | 31.94 mi (51.39 km) |
| Onnaing to Oudenburg | 60.86 mi (97.94 km) |
| Onnaing to Oupeye | 92.47 mi (148.82 km) |
| Onnaing to Overijse | 49.29 mi (79.33 km) |
| Onnaing to Overpelt | 97.91 mi (157.56 km) |
| Onnaing to Paal | 82.29 mi (132.43 km) |
| Onnaing to Peer | 96.05 mi (154.58 km) |
| Onnaing to Pepinster | 98.33 mi (158.24 km) |
| Onnaing to Peruwelz | 8.93 mi (14.37 km) |
| Onnaing to Perwez | 55.91 mi (89.98 km) |
| Onnaing to Philippeville | 43.97 mi (70.77 km) |