| Potenza Picena to Opwijk | 685.98 mi (1,103.98 km) |
| Potenza Picena to Ostend | 737.53 mi (1,186.95 km) |
| Potenza Picena to Oud-Heverlee | 664.85 mi (1,069.97 km) |
| Potenza Picena to Oud-Turnhout | 680.99 mi (1,095.95 km) |
| Potenza Picena to Oudenaarde | 698.21 mi (1,123.67 km) |
| Potenza Picena to Oudenburg | 732.98 mi (1,179.62 km) |
| Potenza Picena to Oupeye | 630.32 mi (1,014.40 km) |
| Potenza Picena to Overijse | 666.29 mi (1,072.28 km) |
| Potenza Picena to Overpelt | 663.83 mi (1,068.33 km) |
| Potenza Picena to Paal | 661.01 mi (1,063.79 km) |
| Potenza Picena to Peer | 658.30 mi (1,059.43 km) |
| Potenza Picena to Pepinster | 617.93 mi (994.46 km) |
| Potenza Picena to Peruwelz | 682.99 mi (1,099.16 km) |
| Potenza Picena to Perwez | 649.83 mi (1,045.80 km) |
| Potenza Picena to Philippeville | 636.99 mi (1,025.14 km) |
