| Guadarrama to Castelletto sopra Ticino | 728.26 mi (1,172.02 km) |
| Guadarrama to Castelli Calepio | 782.54 mi (1,259.38 km) |
| Guadarrama to Castelnovo ne' Monti | 780.59 mi (1,256.24 km) |
| Guadarrama to Castelnuovo Berardenga | 820.26 mi (1,320.08 km) |
| Guadarrama to Castelnuovo di Porto | 864.24 mi (1,390.86 km) |
| Guadarrama to Castelnuovo di Verona | 817.37 mi (1,315.42 km) |
| Guadarrama to Castelnuovo Rangone | 808.05 mi (1,300.44 km) |
| Guadarrama to Castelvetrano | 925.92 mi (1,490.12 km) |
| Guadarrama to Castelvetro di Modena | 808.02 mi (1,300.38 km) |
| Guadarrama to Castenaso | 833.12 mi (1,340.78 km) |
| Guadarrama to Castenedolo | 796.66 mi (1,282.10 km) |
| Guadarrama to Castiglion Fiorentino | 840.88 mi (1,353.26 km) |
| Guadarrama to Castiglione del Lago | 845.68 mi (1,360.99 km) |
| Guadarrama to Castiglione delle Stiviere | 804.37 mi (1,294.52 km) |
| Guadarrama to Castrolibero | 1,075.62 mi (1,731.05 km) |
