| Alcanena to Opwijk | 1,008.14 mi (1,622.45 km) |
| Alcanena to Ostend | 985.69 mi (1,586.31 km) |
| Alcanena to Oud-Heverlee | 1,016.05 mi (1,635.18 km) |
| Alcanena to Oud-Turnhout | 1,049.56 mi (1,689.10 km) |
| Alcanena to Oudenaarde | 985.06 mi (1,585.30 km) |
| Alcanena to Oudenburg | 985.61 mi (1,586.19 km) |
| Alcanena to Oupeye | 1,040.68 mi (1,674.81 km) |
| Alcanena to Overijse | 1,009.51 mi (1,624.64 km) |
| Alcanena to Overpelt | 1,057.82 mi (1,702.40 km) |
| Alcanena to Paal | 1,041.68 mi (1,676.42 km) |
| Alcanena to Peer | 1,054.90 mi (1,697.70 km) |
| Alcanena to Pepinster | 1,039.71 mi (1,673.25 km) |
| Alcanena to Peruwelz | 967.50 mi (1,557.05 km) |
| Alcanena to Perwez | 1,010.42 mi (1,626.11 km) |
| Alcanena to Philippeville | 981.61 mi (1,579.74 km) |
