| Fontenay-sous-Bois to Opwijk | 164.66 mi (265.00 km) |
| Fontenay-sous-Bois to Ostend | 165.20 mi (265.87 km) |
| Fontenay-sous-Bois to Oud-Heverlee | 168.10 mi (270.53 km) |
| Fontenay-sous-Bois to Oud-Turnhout | 203.32 mi (327.22 km) |
| Fontenay-sous-Bois to Oudenaarde | 146.85 mi (236.33 km) |
| Fontenay-sous-Bois to Oudenburg | 162.76 mi (261.94 km) |
| Fontenay-sous-Bois to Oupeye | 190.77 mi (307.02 km) |
| Fontenay-sous-Bois to Overijse | 161.89 mi (260.54 km) |
| Fontenay-sous-Bois to Overpelt | 209.06 mi (336.45 km) |
| Fontenay-sous-Bois to Paal | 192.87 mi (310.39 km) |
| Fontenay-sous-Bois to Peer | 205.68 mi (331.02 km) |
| Fontenay-sous-Bois to Pepinster | 190.51 mi (306.59 km) |
| Fontenay-sous-Bois to Peruwelz | 125.21 mi (201.51 km) |
| Fontenay-sous-Bois to Perwez | 160.90 mi (258.94 km) |
| Fontenay-sous-Bois to Philippeville | 131.60 mi (211.79 km) |
