| San Valentino Torio to Orbetello | 208.90 mi (336.19 km) |
| San Valentino Torio to Oria | 160.11 mi (257.67 km) |
| San Valentino Torio to Oristano | 322.35 mi (518.77 km) |
| San Valentino Torio to Orta Nova | 68.72 mi (110.60 km) |
| San Valentino Torio to Orte | 162.51 mi (261.54 km) |
| San Valentino Torio to Ortona | 108.22 mi (174.16 km) |
| San Valentino Torio to Orvieto | 185.03 mi (297.78 km) |
| San Valentino Torio to Orzinuovi | 395.98 mi (637.26 km) |
| San Valentino Torio to Osimo | 194.66 mi (313.27 km) |
| San Valentino Torio to Ospitaletto | 400.42 mi (644.42 km) |
| San Valentino Torio to Ostuni | 156.00 mi (251.05 km) |
| San Valentino Torio to Ottaviano | 7.73 mi (12.45 km) |
| San Valentino Torio to Ovada | 402.47 mi (647.71 km) |
| San Valentino Torio to Ozieri | 293.69 mi (472.64 km) |
| San Valentino Torio to Paceco | 222.82 mi (358.60 km) |
