| La Roche-sur-Foron to Opwijk | 352.24 mi (566.88 km) |
| La Roche-sur-Foron to Ostend | 388.53 mi (625.28 km) |
| La Roche-sur-Foron to Oud-Heverlee | 337.82 mi (543.67 km) |
| La Roche-sur-Foron to Oud-Turnhout | 367.74 mi (591.81 km) |
| La Roche-sur-Foron to Oudenaarde | 353.01 mi (568.11 km) |
| La Roche-sur-Foron to Oudenburg | 384.41 mi (618.64 km) |
| La Roche-sur-Foron to Oupeye | 322.15 mi (518.45 km) |
| La Roche-sur-Foron to Overijse | 335.89 mi (540.57 km) |
| La Roche-sur-Foron to Overpelt | 358.15 mi (576.38 km) |
| La Roche-sur-Foron to Paal | 347.47 mi (559.20 km) |
| La Roche-sur-Foron to Peer | 352.20 mi (566.82 km) |
| La Roche-sur-Foron to Pepinster | 311.74 mi (501.69 km) |
| La Roche-sur-Foron to Peruwelz | 332.00 mi (534.29 km) |
| La Roche-sur-Foron to Perwez | 322.27 mi (518.64 km) |
| La Roche-sur-Foron to Philippeville | 296.88 mi (477.78 km) |
