| Cities | Distance |
|---|---|
| Brussels to Oria | 957.39 mi (1,540.77 km) |
| Brussels to Oristano | 783.10 mi (1,260.28 km) |
| Brussels to Orta Nova | 851.57 mi (1,370.46 km) |
| Brussels to Orte | 692.57 mi (1,114.59 km) |
| Brussels to Ortona | 755.02 mi (1,215.08 km) |
| Brussels to Orvieto | 670.10 mi (1,078.42 km) |
| Brussels to Orzinuovi | 455.64 mi (733.29 km) |
| Brussels to Osimo | 664.43 mi (1,069.30 km) |
| Brussels to Ospitaletto | 450.34 mi (724.75 km) |
| Brussels to Ostuni | 943.01 mi (1,517.63 km) |
| Brussels to Ottaviano | 843.61 mi (1,357.67 km) |
| Brussels to Ovada | 472.83 mi (760.94 km) |
| Brussels to Ozieri | 743.29 mi (1,196.21 km) |
| Brussels to Paceco | 975.08 mi (1,569.24 km) |
| Brussels to Pachino | 1,111.16 mi (1,788.24 km) |