| Rosny-sous-Bois to Opwijk | 163.61 mi (263.31 km) |
| Rosny-sous-Bois to Ostend | 164.14 mi (264.16 km) |
| Rosny-sous-Bois to Oud-Heverlee | 167.09 mi (268.91 km) |
| Rosny-sous-Bois to Oud-Turnhout | 202.30 mi (325.57 km) |
| Rosny-sous-Bois to Oudenaarde | 145.78 mi (234.60 km) |
| Rosny-sous-Bois to Oudenburg | 161.70 mi (260.22 km) |
| Rosny-sous-Bois to Oupeye | 189.86 mi (305.55 km) |
| Rosny-sous-Bois to Overijse | 160.88 mi (258.91 km) |
| Rosny-sous-Bois to Overpelt | 208.07 mi (334.85 km) |
| Rosny-sous-Bois to Paal | 191.88 mi (308.80 km) |
| Rosny-sous-Bois to Peer | 204.70 mi (329.44 km) |
| Rosny-sous-Bois to Pepinster | 189.63 mi (305.18 km) |
| Rosny-sous-Bois to Peruwelz | 124.15 mi (199.80 km) |
| Rosny-sous-Bois to Perwez | 159.93 mi (257.38 km) |
| Rosny-sous-Bois to Philippeville | 130.66 mi (210.28 km) |
