| Saint-Julien-en-Genevois to Opwijk | 344.32 mi (554.14 km) |
| Saint-Julien-en-Genevois to Ostend | 379.53 mi (610.80 km) |
| Saint-Julien-en-Genevois to Oud-Heverlee | 330.41 mi (531.74 km) |
| Saint-Julien-en-Genevois to Oud-Turnhout | 360.88 mi (580.78 km) |
| Saint-Julien-en-Genevois to Oudenaarde | 344.41 mi (554.27 km) |
| Saint-Julien-en-Genevois to Oudenburg | 375.45 mi (604.23 km) |
| Saint-Julien-en-Genevois to Oupeye | 315.99 mi (508.54 km) |
| Saint-Julien-en-Genevois to Overijse | 328.29 mi (528.33 km) |
| Saint-Julien-en-Genevois to Overpelt | 351.79 mi (566.15 km) |
| Saint-Julien-en-Genevois to Paal | 340.76 mi (548.40 km) |
| Saint-Julien-en-Genevois to Peer | 345.88 mi (556.63 km) |
| Saint-Julien-en-Genevois to Pepinster | 305.81 mi (492.16 km) |
| Saint-Julien-en-Genevois to Peruwelz | 323.17 mi (520.09 km) |
| Saint-Julien-en-Genevois to Perwez | 314.95 mi (506.86 km) |
| Saint-Julien-en-Genevois to Philippeville | 288.99 mi (465.09 km) |
