| Guadarrama to Celano | 918.40 mi (1,478.02 km) |
| Guadarrama to Cento | 827.85 mi (1,332.30 km) |
| Guadarrama to Cepagatti | 944.65 mi (1,520.27 km) |
| Guadarrama to Ceprano | 916.91 mi (1,475.62 km) |
| Guadarrama to Cercola | 963.16 mi (1,550.06 km) |
| Guadarrama to Cerea | 833.35 mi (1,341.15 km) |
| Guadarrama to Cerese | 808.58 mi (1,301.29 km) |
| Guadarrama to Cerignola | 1,041.31 mi (1,675.83 km) |
| Guadarrama to Cermenate | 747.70 mi (1,203.31 km) |
| Guadarrama to Cernusco sul Naviglio | 754.08 mi (1,213.58 km) |
| Guadarrama to Cerreto Guidi | 794.11 mi (1,278.00 km) |
| Guadarrama to Cerro Maggiore | 739.08 mi (1,189.44 km) |
| Guadarrama to Certaldo | 799.30 mi (1,286.35 km) |
| Guadarrama to Cerveteri | 843.57 mi (1,357.59 km) |
| Guadarrama to Cervia | 872.29 mi (1,403.82 km) |
