| Saint-Genis-Pouilly to Opwijk | 336.96 mi (542.28 km) |
| Saint-Genis-Pouilly to Ostend | 372.06 mi (598.78 km) |
| Saint-Genis-Pouilly to Oud-Heverlee | 323.12 mi (520.01 km) |
| Saint-Genis-Pouilly to Oud-Turnhout | 353.70 mi (569.22 km) |
| Saint-Genis-Pouilly to Oudenaarde | 336.96 mi (542.29 km) |
| Saint-Genis-Pouilly to Oudenburg | 367.99 mi (592.22 km) |
| Saint-Genis-Pouilly to Oupeye | 308.99 mi (497.27 km) |
| Saint-Genis-Pouilly to Overijse | 320.97 mi (516.56 km) |
| Saint-Genis-Pouilly to Overpelt | 344.73 mi (554.79 km) |
| Saint-Genis-Pouilly to Paal | 333.62 mi (536.90 km) |
| Saint-Genis-Pouilly to Peer | 338.82 mi (545.28 km) |
| Saint-Genis-Pouilly to Pepinster | 298.87 mi (480.98 km) |
| Saint-Genis-Pouilly to Peruwelz | 315.71 mi (508.08 km) |
| Saint-Genis-Pouilly to Perwez | 307.68 mi (495.17 km) |
| Saint-Genis-Pouilly to Philippeville | 281.63 mi (453.24 km) |
