| Petilia Policastro to Opwijk | 1,021.07 mi (1,643.25 km) |
| Petilia Policastro to Ostend | 1,071.47 mi (1,724.37 km) |
| Petilia Policastro to Oud-Heverlee | 1,000.27 mi (1,609.78 km) |
| Petilia Policastro to Oud-Turnhout | 1,017.22 mi (1,637.06 km) |
| Petilia Policastro to Oudenaarde | 1,032.27 mi (1,661.28 km) |
| Petilia Policastro to Oudenburg | 1,066.94 mi (1,717.07 km) |
| Petilia Policastro to Oupeye | 966.47 mi (1,555.38 km) |
| Petilia Policastro to Overijse | 1,001.47 mi (1,611.71 km) |
| Petilia Policastro to Overpelt | 1,000.21 mi (1,609.69 km) |
| Petilia Policastro to Paal | 997.13 mi (1,604.73 km) |
| Petilia Policastro to Peer | 994.65 mi (1,600.74 km) |
| Petilia Policastro to Pepinster | 954.08 mi (1,535.44 km) |
| Petilia Policastro to Peruwelz | 1,016.16 mi (1,635.34 km) |
| Petilia Policastro to Perwez | 985.08 mi (1,585.34 km) |
| Petilia Policastro to Philippeville | 970.97 mi (1,562.62 km) |
