| Cities | Distance |
|---|---|
| Belfast to Opwijk | 490.78 mi (789.83 km) |
| Belfast to Ostend | 435.64 mi (701.09 km) |
| Belfast to Oud-Heverlee | 513.35 mi (826.16 km) |
| Belfast to Oud-Turnhout | 506.89 mi (815.76 km) |
| Belfast to Oudenaarde | 474.84 mi (764.17 km) |
| Belfast to Oudenburg | 440.18 mi (708.41 km) |
| Belfast to Oupeye | 553.55 mi (890.86 km) |
| Belfast to Overijse | 510.54 mi (821.64 km) |
| Belfast to Overpelt | 526.53 mi (847.36 km) |
| Belfast to Paal | 523.92 mi (843.17 km) |
| Belfast to Peer | 530.88 mi (854.37 km) |
| Belfast to Pepinster | 565.31 mi (909.79 km) |
| Belfast to Peruwelz | 488.38 mi (785.97 km) |
| Belfast to Perwez | 526.96 mi (848.06 km) |
| Belfast to Philippeville | 535.31 mi (861.50 km) |