| Breuillet to Opwijk | 188.59 mi (303.51 km) |
| Breuillet to Ostend | 186.76 mi (300.55 km) |
| Breuillet to Oud-Heverlee | 192.26 mi (309.41 km) |
| Breuillet to Oud-Turnhout | 227.45 mi (366.05 km) |
| Breuillet to Oudenaarde | 170.21 mi (273.93 km) |
| Breuillet to Oudenburg | 184.55 mi (297.01 km) |
| Breuillet to Oupeye | 214.53 mi (345.25 km) |
| Breuillet to Overijse | 186.04 mi (299.41 km) |
| Breuillet to Overpelt | 233.21 mi (375.31 km) |
| Breuillet to Paal | 217.02 mi (349.25 km) |
| Breuillet to Peer | 229.80 mi (369.83 km) |
| Breuillet to Pepinster | 213.94 mi (344.31 km) |
| Breuillet to Peruwelz | 148.89 mi (239.62 km) |
| Breuillet to Perwez | 185.01 mi (297.74 km) |
| Breuillet to Philippeville | 155.52 mi (250.28 km) |