| Brussels to Oberriet | 339.21 mi (545.90 km) |
| Brussels to Obersiggenthal | 292.43 mi (470.61 km) |
| Brussels to Oberwil | 271.89 mi (437.56 km) |
| Brussels to Oberwingert | 304.38 mi (489.85 km) |
| Brussels to Oftringen | 292.33 mi (470.46 km) |
| Brussels to Olten | 289.97 mi (466.66 km) |
| Brussels to Onex | 331.96 mi (534.24 km) |
| Brussels to Opfikon | 303.06 mi (487.73 km) |
| Brussels to Ostermundigen | 304.24 mi (489.62 km) |
| Brussels to Payerne | 302.13 mi (486.23 km) |
| Brussels to Pfaffikon | 312.90 mi (503.56 km) |
| Brussels to Plan-les-Ouates | 333.26 mi (536.33 km) |
| Brussels to Pratteln | 275.24 mi (442.96 km) |
| Brussels to Prilly | 315.12 mi (507.14 km) |
| Brussels to Pully | 317.21 mi (510.50 km) |
