| Cormeilles-en-Parisis to Opwijk | 163.43 mi (263.02 km) |
| Cormeilles-en-Parisis to Ostend | 158.81 mi (255.58 km) |
| Cormeilles-en-Parisis to Oud-Heverlee | 168.92 mi (271.85 km) |
| Cormeilles-en-Parisis to Oud-Turnhout | 203.38 mi (327.30 km) |
| Cormeilles-en-Parisis to Oudenaarde | 143.78 mi (231.40 km) |
| Cormeilles-en-Parisis to Oudenburg | 156.71 mi (252.19 km) |
| Cormeilles-en-Parisis to Oupeye | 194.59 mi (313.16 km) |
| Cormeilles-en-Parisis to Overijse | 162.49 mi (261.51 km) |
| Cormeilles-en-Parisis to Overpelt | 210.49 mi (338.76 km) |
| Cormeilles-en-Parisis to Paal | 194.32 mi (312.73 km) |
| Cormeilles-en-Parisis to Peer | 207.49 mi (333.91 km) |
| Cormeilles-en-Parisis to Pepinster | 195.26 mi (314.23 km) |
| Cormeilles-en-Parisis to Peruwelz | 123.16 mi (198.21 km) |
| Cormeilles-en-Parisis to Perwez | 163.03 mi (262.38 km) |
| Cormeilles-en-Parisis to Philippeville | 135.06 mi (217.36 km) |
