| Saint Ives to Orbetello | 861.76 mi (1,386.87 km) |
| Saint Ives to Oria | 1,168.88 mi (1,881.12 km) |
| Saint Ives to Oristano | 952.20 mi (1,532.43 km) |
| Saint Ives to Orta Nova | 1,060.89 mi (1,707.33 km) |
| Saint Ives to Orte | 894.77 mi (1,439.99 km) |
| Saint Ives to Ortona | 963.67 mi (1,550.87 km) |
| Saint Ives to Orvieto | 872.10 mi (1,403.51 km) |
| Saint Ives to Orzinuovi | 659.52 mi (1,061.40 km) |
| Saint Ives to Osimo | 873.89 mi (1,406.39 km) |
| Saint Ives to Ospitaletto | 655.73 mi (1,055.29 km) |
| Saint Ives to Ostuni | 1,154.83 mi (1,858.52 km) |
| Saint Ives to Ottaviano | 1,048.23 mi (1,686.97 km) |
| Saint Ives to Ovada | 664.01 mi (1,068.63 km) |
| Saint Ives to Ozieri | 918.01 mi (1,477.40 km) |
| Saint Ives to Paceco | 1,163.11 mi (1,871.85 km) |
