| San Salvo to Opwijk | 793.09 mi (1,276.35 km) |
| San Salvo to Ostend | 844.30 mi (1,358.77 km) |
| San Salvo to Oud-Heverlee | 772.05 mi (1,242.50 km) |
| San Salvo to Oud-Turnhout | 788.38 mi (1,268.78 km) |
| San Salvo to Oudenaarde | 805.01 mi (1,295.54 km) |
| San Salvo to Oudenburg | 839.75 mi (1,351.45 km) |
| San Salvo to Oupeye | 737.69 mi (1,187.20 km) |
| San Salvo to Overijse | 773.42 mi (1,244.70 km) |
| San Salvo to Overpelt | 771.24 mi (1,241.18 km) |
| San Salvo to Paal | 768.38 mi (1,236.59 km) |
| San Salvo to Peer | 765.70 mi (1,232.28 km) |
| San Salvo to Pepinster | 725.30 mi (1,167.26 km) |
| San Salvo to Peruwelz | 789.49 mi (1,270.56 km) |
| San Salvo to Perwez | 756.98 mi (1,218.25 km) |
| San Salvo to Philippeville | 743.74 mi (1,196.94 km) |
