| Venaria Reale to Orbetello | 257.05 mi (413.68 km) |
| Venaria Reale to Oria | 598.24 mi (962.77 km) |
| Venaria Reale to Oristano | 363.32 mi (584.71 km) |
| Venaria Reale to Orta Nova | 483.21 mi (777.65 km) |
| Venaria Reale to Orte | 299.72 mi (482.35 km) |
| Venaria Reale to Ortona | 387.97 mi (624.38 km) |
| Venaria Reale to Orvieto | 277.62 mi (446.78 km) |
| Venaria Reale to Orzinuovi | 113.56 mi (182.75 km) |
| Venaria Reale to Osimo | 310.42 mi (499.58 km) |
| Venaria Reale to Ospitaletto | 122.32 mi (196.85 km) |
| Venaria Reale to Ostuni | 586.86 mi (944.45 km) |
| Venaria Reale to Ottaviano | 454.22 mi (731.00 km) |
| Venaria Reale to Ovada | 59.57 mi (95.87 km) |
| Venaria Reale to Ozieri | 320.70 mi (516.12 km) |
| Venaria Reale to Paceco | 554.31 mi (892.07 km) |
