| San Giorgio a Cremano to Opwijk | 851.74 mi (1,370.75 km) |
| San Giorgio a Cremano to Ostend | 900.78 mi (1,449.66 km) |
| San Giorgio a Cremano to Oud-Heverlee | 831.49 mi (1,338.16 km) |
| San Giorgio a Cremano to Oud-Turnhout | 850.23 mi (1,368.32 km) |
| San Giorgio a Cremano to Oudenaarde | 861.77 mi (1,386.88 km) |
| San Giorgio a Cremano to Oudenburg | 896.26 mi (1,442.40 km) |
| San Giorgio a Cremano to Oupeye | 799.35 mi (1,286.42 km) |
| San Giorgio a Cremano to Overijse | 832.33 mi (1,339.51 km) |
| San Giorgio a Cremano to Overpelt | 833.89 mi (1,342.02 km) |
| San Giorgio a Cremano to Paal | 829.84 mi (1,335.50 km) |
| San Giorgio a Cremano to Peer | 828.20 mi (1,332.85 km) |
| San Giorgio a Cremano to Pepinster | 786.97 mi (1,266.51 km) |
| San Giorgio a Cremano to Peruwelz | 844.93 mi (1,359.79 km) |
| San Giorgio a Cremano to Perwez | 816.08 mi (1,313.36 km) |
| San Giorgio a Cremano to Philippeville | 800.53 mi (1,288.32 km) |
