| Santa Margarita de Mombuy to Orbetello | 496.36 mi (798.82 km) |
| Santa Margarita de Mombuy to Oria | 837.19 mi (1,347.33 km) |
| Santa Margarita de Mombuy to Oristano | 383.17 mi (616.66 km) |
| Santa Margarita de Mombuy to Orta Nova | 729.67 mi (1,174.29 km) |
| Santa Margarita de Mombuy to Orte | 556.18 mi (895.09 km) |
| Santa Margarita de Mombuy to Ortona | 658.69 mi (1,060.06 km) |
| Santa Margarita de Mombuy to Orvieto | 543.34 mi (874.43 km) |
| Santa Margarita de Mombuy to Orzinuovi | 493.52 mi (794.24 km) |
| Santa Margarita de Mombuy to Osimo | 618.21 mi (994.92 km) |
| Santa Margarita de Mombuy to Ospitaletto | 504.73 mi (812.28 km) |
| Santa Margarita de Mombuy to Ostuni | 831.86 mi (1,338.76 km) |
| Santa Margarita de Mombuy to Ottaviano | 670.10 mi (1,078.43 km) |
| Santa Margarita de Mombuy to Ovada | 413.08 mi (664.78 km) |
| Santa Margarita de Mombuy to Ozieri | 391.01 mi (629.26 km) |
| Santa Margarita de Mombuy to Paceco | 631.14 mi (1,015.73 km) |
