| Cities | Distance |
| Onda to Opwijk | 789.89 mi (1,271.20 km) |
| Onda to Ostend | 793.09 mi (1,276.35 km) |
| Onda to Oud-Heverlee | 787.81 mi (1,267.87 km) |
| Onda to Oud-Turnhout | 823.89 mi (1,325.92 km) |
| Onda to Oudenaarde | 774.97 mi (1,247.19 km) |
| Onda to Oudenburg | 790.98 mi (1,272.96 km) |
| Onda to Oupeye | 795.32 mi (1,279.95 km) |
| Onda to Overijse | 782.63 mi (1,259.53 km) |
| Onda to Overpelt | 824.05 mi (1,326.17 km) |
| Onda to Paal | 808.78 mi (1,301.61 km) |
| Onda to Peer | 819.25 mi (1,318.45 km) |
| Onda to Pepinster | 789.43 mi (1,270.47 km) |
| Onda to Peruwelz | 752.59 mi (1,211.18 km) |
| Onda to Perwez | 776.44 mi (1,249.55 km) |
| Onda to Philippeville | 744.91 mi (1,198.81 km) |