| Cities | Distance |
|---|---|
| Belfast to Nuth | 554.61 mi (892.55 km) |
| Belfast to Oegstgeest | 459.15 mi (738.94 km) |
| Belfast to Oirschot | 512.40 mi (824.63 km) |
| Belfast to Oisterwijk | 505.86 mi (814.10 km) |
| Belfast to Oldebroek | 507.34 mi (816.49 km) |
| Belfast to Oldenzaal | 551.24 mi (887.14 km) |
| Belfast to Ommen | 525.94 mi (846.43 km) |
| Belfast to Oosterend | 501.08 mi (806.42 km) |
| Belfast to Oosterhout | 490.97 mi (790.13 km) |
| Belfast to Oosterwolde | 510.28 mi (821.22 km) |
| Belfast to Oostzaan | 468.15 mi (753.42 km) |
| Belfast to Opmeer | 463.91 mi (746.58 km) |
| Belfast to Oss | 511.96 mi (823.92 km) |
| Belfast to Oud-Beijerland | 468.06 mi (753.27 km) |
| Belfast to Oudenbosch | 480.32 mi (773.00 km) |