| San Giustino to Orbetello | 91.08 mi (146.57 km) |
| San Giustino to Oria | 350.10 mi (563.42 km) |
| San Giustino to Oristano | 312.50 mi (502.92 km) |
| San Giustino to Orta Nova | 236.34 mi (380.34 km) |
| San Giustino to Orte | 75.98 mi (122.29 km) |
| San Giustino to Ortona | 139.43 mi (224.38 km) |
| San Giustino to Orvieto | 57.58 mi (92.67 km) |
| San Giustino to Orzinuovi | 169.23 mi (272.35 km) |
| San Giustino to Osimo | 65.30 mi (105.09 km) |
| San Giustino to Ospitaletto | 173.16 mi (278.68 km) |
| San Giustino to Ostuni | 338.13 mi (544.17 km) |
| San Giustino to Ottaviano | 220.41 mi (354.72 km) |
| San Giustino to Ovada | 190.94 mi (307.29 km) |
| San Giustino to Ozieri | 261.82 mi (421.37 km) |
| San Giustino to Paceco | 385.10 mi (619.76 km) |
