| Ormesson-sur-Marne to Opwijk | 167.53 mi (269.62 km) |
| Ormesson-sur-Marne to Ostend | 169.43 mi (272.68 km) |
| Ormesson-sur-Marne to Oud-Heverlee | 170.33 mi (274.13 km) |
| Ormesson-sur-Marne to Oud-Turnhout | 205.75 mi (331.13 km) |
| Ormesson-sur-Marne to Oudenaarde | 150.27 mi (241.83 km) |
| Ormesson-sur-Marne to Oudenburg | 166.92 mi (268.62 km) |
| Ormesson-sur-Marne to Oupeye | 191.95 mi (308.92 km) |
| Ormesson-sur-Marne to Overijse | 164.21 mi (264.27 km) |
| Ormesson-sur-Marne to Overpelt | 211.04 mi (339.63 km) |
| Ormesson-sur-Marne to Paal | 194.86 mi (313.60 km) |
| Ormesson-sur-Marne to Peer | 207.54 mi (334.01 km) |
| Ormesson-sur-Marne to Pepinster | 191.35 mi (307.94 km) |
| Ormesson-sur-Marne to Peruwelz | 128.40 mi (206.64 km) |
| Ormesson-sur-Marne to Perwez | 162.72 mi (261.87 km) |
| Ormesson-sur-Marne to Philippeville | 133.03 mi (214.09 km) |
