| Guadarrama to Corato | 1,067.87 mi (1,718.58 km) |
| Guadarrama to Corbetta | 734.07 mi (1,181.37 km) |
| Guadarrama to Corciano | 857.45 mi (1,379.93 km) |
| Guadarrama to Cordenons | 917.82 mi (1,477.09 km) |
| Guadarrama to Cori | 885.52 mi (1,425.11 km) |
| Guadarrama to Coriano | 880.73 mi (1,417.39 km) |
| Guadarrama to Corigliano Calabro | 1,088.47 mi (1,751.72 km) |
| Guadarrama to Corleone | 949.48 mi (1,528.03 km) |
| Guadarrama to Cormano | 747.45 mi (1,202.91 km) |
| Guadarrama to Cornaredo | 740.17 mi (1,191.19 km) |
| Guadarrama to Cornate d'Adda | 763.49 mi (1,228.71 km) |
| Guadarrama to Cornedo Vicentino | 848.16 mi (1,364.98 km) |
| Guadarrama to Correggio | 804.75 mi (1,295.12 km) |
| Guadarrama to Corridonia | 920.07 mi (1,480.70 km) |
| Guadarrama to Corsico | 742.20 mi (1,194.46 km) |
