| Brussels to Orvault | 366.11 mi (589.20 km) |
| Brussels to Osny | 160.04 mi (257.56 km) |
| Brussels to Ostwald | 218.40 mi (351.49 km) |
| Brussels to Ouistreham | 231.36 mi (372.33 km) |
| Brussels to Oullins | 355.18 mi (571.61 km) |
| Brussels to Outreau | 120.92 mi (194.61 km) |
| Brussels to Oyonnax | 322.72 mi (519.36 km) |
| Brussels to Ozoir-la-Ferriere | 161.21 mi (259.43 km) |
| Brussels to Pace | 332.03 mi (534.35 km) |
| Brussels to Palaiseau | 174.74 mi (281.21 km) |
| Brussels to Pamiers | 549.42 mi (884.21 km) |
| Brussels to Panazol | 373.07 mi (600.40 km) |
| Brussels to Pantin | 160.30 mi (257.98 km) |
| Brussels to Paray-le-Monial | 303.89 mi (489.07 km) |
| Brussels to Parempuyre | 467.48 mi (752.34 km) |
