| Cities | Distance |
|---|
| Os to Opwijk | 641.77 mi (1,032.83 km) |
| Os to Ostend | 629.70 mi (1,013.40 km) |
| Os to Oud-Heverlee | 649.79 mi (1,045.74 km) |
| Os to Oud-Turnhout | 615.93 mi (991.24 km) |
| Os to Oudenaarde | 651.95 mi (1,049.21 km) |
| Os to Oudenburg | 632.13 mi (1,017.31 km) |
| Os to Oupeye | 657.70 mi (1,058.47 km) |
| Os to Overijse | 653.51 mi (1,051.73 km) |
| Os to Overpelt | 622.55 mi (1,001.90 km) |
| Os to Paal | 634.92 mi (1,021.80 km) |
| Os to Peer | 628.34 mi (1,011.22 km) |
| Os to Pepinster | 667.59 mi (1,074.38 km) |
| Os to Peruwelz | 674.94 mi (1,086.21 km) |
| Os to Perwez | 663.99 mi (1,068.58 km) |
| Os to Philippeville | 693.73 mi (1,116.46 km) |
