| Guadarrama to Chivasso | 680.58 mi (1,095.29 km) |
| Guadarrama to Ciampino | 869.23 mi (1,398.89 km) |
| Guadarrama to Cicciano | 972.08 mi (1,564.41 km) |
| Guadarrama to Cingoli | 905.83 mi (1,457.79 km) |
| Guadarrama to Cinisello Balsamo | 749.69 mi (1,206.52 km) |
| Guadarrama to Cinisi | 932.08 mi (1,500.03 km) |
| Guadarrama to Cirie | 669.00 mi (1,076.66 km) |
| Guadarrama to Ciro Marina | 1,123.49 mi (1,808.08 km) |
| Guadarrama to Cislago | 741.17 mi (1,192.80 km) |
| Guadarrama to Cisterna di Latina | 881.25 mi (1,418.24 km) |
| Guadarrama to Cisternino | 1,124.49 mi (1,809.70 km) |
| Guadarrama to Citta di Castello | 858.09 mi (1,380.96 km) |
| Guadarrama to Citta Sant'Angelo | 944.04 mi (1,519.29 km) |
| Guadarrama to Cittadella | 868.78 mi (1,398.17 km) |
| Guadarrama to Cittanova | 1,084.74 mi (1,745.71 km) |
