| San Giovanni Valdarno to Opwijk | 616.03 mi (991.40 km) |
| San Giovanni Valdarno to Ostend | 664.26 mi (1,069.03 km) |
| San Giovanni Valdarno to Oud-Heverlee | 596.19 mi (959.48 km) |
| San Giovanni Valdarno to Oud-Turnhout | 616.34 mi (991.90 km) |
| San Giovanni Valdarno to Oudenaarde | 625.37 mi (1,006.43 km) |
| San Giovanni Valdarno to Oudenburg | 659.77 mi (1,061.79 km) |
| San Giovanni Valdarno to Oupeye | 565.50 mi (910.08 km) |
| San Giovanni Valdarno to Overijse | 596.78 mi (960.42 km) |
| San Giovanni Valdarno to Overpelt | 600.66 mi (966.68 km) |
| San Giovanni Valdarno to Paal | 595.74 mi (958.76 km) |
| San Giovanni Valdarno to Peer | 594.87 mi (957.34 km) |
| San Giovanni Valdarno to Pepinster | 553.18 mi (890.26 km) |
| San Giovanni Valdarno to Peruwelz | 608.25 mi (978.88 km) |
| San Giovanni Valdarno to Perwez | 580.65 mi (934.46 km) |
| San Giovanni Valdarno to Philippeville | 564.21 mi (908.01 km) |
