| Ski to Orbetello | 1,195.56 mi (1,924.07 km) |
| Ski to Oria | 1,360.93 mi (2,190.21 km) |
| Ski to Oristano | 1,374.18 mi (2,211.52 km) |
| Ski to Orta Nova | 1,288.73 mi (2,074.02 km) |
| Ski to Orte | 1,195.72 mi (1,924.33 km) |
| Ski to Ortona | 1,210.86 mi (1,948.69 km) |
| Ski to Orvieto | 1,177.34 mi (1,894.75 km) |
| Ski to Orzinuovi | 991.72 mi (1,596.02 km) |
| Ski to Osimo | 1,128.63 mi (1,816.35 km) |
| Ski to Ospitaletto | 980.78 mi (1,578.42 km) |
| Ski to Ostuni | 1,344.60 mi (2,163.93 km) |
| Ski to Ottaviano | 1,314.39 mi (2,115.30 km) |
| Ski to Ovada | 1,047.68 mi (1,686.07 km) |
| Ski to Ozieri | 1,326.13 mi (2,134.20 km) |
| Ski to Paceco | 1,505.14 mi (2,422.30 km) |
