| Sfantu-Gheorghe to Orbetello | 759.00 mi (1,221.50 km) |
| Sfantu-Gheorghe to Oria | 552.75 mi (889.56 km) |
| Sfantu-Gheorghe to Oristano | 960.33 mi (1,545.51 km) |
| Sfantu-Gheorghe to Orta Nova | 592.86 mi (954.12 km) |
| Sfantu-Gheorghe to Orte | 703.60 mi (1,132.33 km) |
| Sfantu-Gheorghe to Ortona | 614.18 mi (988.43 km) |
| Sfantu-Gheorghe to Orvieto | 709.43 mi (1,141.71 km) |
| Sfantu-Gheorghe to Orzinuovi | 765.40 mi (1,231.79 km) |
| Sfantu-Gheorghe to Osimo | 625.81 mi (1,007.14 km) |
| Sfantu-Gheorghe to Ospitaletto | 757.25 mi (1,218.67 km) |
| Sfantu-Gheorghe to Ostuni | 543.41 mi (874.53 km) |
| Sfantu-Gheorghe to Ottaviano | 664.51 mi (1,069.43 km) |
| Sfantu-Gheorghe to Ovada | 836.42 mi (1,346.09 km) |
| Sfantu-Gheorghe to Ozieri | 918.07 mi (1,477.49 km) |
| Sfantu-Gheorghe to Paceco | 869.56 mi (1,399.42 km) |
