| Cayiralan to Orbetello | 1,290.09 mi (2,076.19 km) |
| Cayiralan to Oria | 956.55 mi (1,539.42 km) |
| Cayiralan to Oristano | 1,435.18 mi (2,309.70 km) |
| Cayiralan to Orta Nova | 1,057.00 mi (1,701.08 km) |
| Cayiralan to Orte | 1,230.33 mi (1,980.03 km) |
| Cayiralan to Ortona | 1,127.33 mi (1,814.27 km) |
| Cayiralan to Orvieto | 1,245.17 mi (2,003.91 km) |
| Cayiralan to Orzinuovi | 1,371.85 mi (2,207.78 km) |
| Cayiralan to Osimo | 1,180.50 mi (1,899.83 km) |
| Cayiralan to Ospitaletto | 1,366.83 mi (2,199.70 km) |
| Cayiralan to Ostuni | 959.05 mi (1,543.44 km) |
| Cayiralan to Ottaviano | 1,121.39 mi (1,804.70 km) |
| Cayiralan to Ovada | 1,427.72 mi (2,297.69 km) |
| Cayiralan to Ozieri | 1,408.60 mi (2,266.92 km) |
| Cayiralan to Paceco | 1,246.23 mi (2,005.61 km) |
