| Port Salerno to Opwijk | 4,548.76 mi (7,320.52 km) |
| Port Salerno to Ostend | 4,491.26 mi (7,227.98 km) |
| Port Salerno to Oud-Heverlee | 4,571.43 mi (7,357.01 km) |
| Port Salerno to Oud-Turnhout | 4,576.48 mi (7,365.14 km) |
| Port Salerno to Oudenaarde | 4,525.99 mi (7,283.87 km) |
| Port Salerno to Oudenburg | 4,495.32 mi (7,234.51 km) |
| Port Salerno to Oupeye | 4,614.89 mi (7,426.96 km) |
| Port Salerno to Overijse | 4,566.64 mi (7,349.30 km) |
| Port Salerno to Overpelt | 4,596.35 mi (7,397.12 km) |
| Port Salerno to Paal | 4,589.22 mi (7,385.64 km) |
| Port Salerno to Peer | 4,599.37 mi (7,401.97 km) |
| Port Salerno to Pepinster | 4,624.80 mi (7,442.89 km) |
| Port Salerno to Peruwelz | 4,530.70 mi (7,291.47 km) |
| Port Salerno to Perwez | 4,581.32 mi (7,372.92 km) |
| Port Salerno to Philippeville | 4,577.37 mi (7,366.56 km) |
