| Guadarrama to Caltagirone | 1,025.11 mi (1,649.76 km) |
| Guadarrama to Caltanissetta | 996.10 mi (1,603.07 km) |
| Guadarrama to Calvisano | 796.15 mi (1,281.28 km) |
| Guadarrama to Calvizzano | 954.28 mi (1,535.77 km) |
| Guadarrama to Camaiore | 767.85 mi (1,235.74 km) |
| Guadarrama to Cameri | 723.03 mi (1,163.60 km) |
| Guadarrama to Camisano Vicentino | 862.95 mi (1,388.78 km) |
| Guadarrama to Campagna | 1,003.60 mi (1,615.14 km) |
| Guadarrama to Campagnano di Roma | 858.26 mi (1,381.24 km) |
| Guadarrama to Campi Bisenzio | 807.00 mi (1,298.74 km) |
| Guadarrama to Campi Salentina | 1,157.86 mi (1,863.40 km) |
| Guadarrama to Campiglia Marittima | 773.40 mi (1,244.67 km) |
| Guadarrama to Campobasso | 976.27 mi (1,571.15 km) |
| Guadarrama to Campobello di Licata | 993.89 mi (1,599.50 km) |
| Guadarrama to Campobello di Mazara | 924.76 mi (1,488.26 km) |
