| Os to Caltagirone | 1,637.44 mi (2,635.20 km) |
| Os to Caltanissetta | 1,615.58 mi (2,600.03 km) |
| Os to Calvisano | 1,047.22 mi (1,685.34 km) |
| Os to Calvizzano | 1,386.18 mi (2,230.84 km) |
| Os to Camaiore | 1,143.52 mi (1,840.31 km) |
| Os to Cameri | 1,025.81 mi (1,650.89 km) |
| Os to Camisano Vicentino | 1,048.04 mi (1,686.66 km) |
| Os to Campagna | 1,412.83 mi (2,273.72 km) |
| Os to Campagnano di Roma | 1,283.78 mi (2,066.04 km) |
| Os to Campi Bisenzio | 1,158.04 mi (1,863.69 km) |
| Os to Campi Salentina | 1,471.60 mi (2,368.31 km) |
| Os to Campiglia Marittima | 1,205.08 mi (1,939.39 km) |
| Os to Campobasso | 1,347.06 mi (2,167.89 km) |
| Os to Campobello di Licata | 1,630.42 mi (2,623.91 km) |
| Os to Campobello di Mazara | 1,593.36 mi (2,564.27 km) |
