| Villacarrillo to Orbetello | 809.82 mi (1,303.28 km) |
| Villacarrillo to Oria | 1,117.35 mi (1,798.20 km) |
| Villacarrillo to Oristano | 638.66 mi (1,027.83 km) |
| Villacarrillo to Orta Nova | 1,021.36 mi (1,643.71 km) |
| Villacarrillo to Orte | 867.72 mi (1,396.46 km) |
| Villacarrillo to Ortona | 965.86 mi (1,554.41 km) |
| Villacarrillo to Orvieto | 859.12 mi (1,382.62 km) |
| Villacarrillo to Orzinuovi | 837.66 mi (1,348.09 km) |
| Villacarrillo to Osimo | 940.91 mi (1,514.24 km) |
| Villacarrillo to Ospitaletto | 849.16 mi (1,366.58 km) |
| Villacarrillo to Ostuni | 1,115.36 mi (1,795.00 km) |
| Villacarrillo to Ottaviano | 953.93 mi (1,535.20 km) |
| Villacarrillo to Ovada | 756.41 mi (1,217.32 km) |
| Villacarrillo to Ozieri | 667.66 mi (1,074.50 km) |
| Villacarrillo to Paceco | 849.72 mi (1,367.50 km) |
