| Madrid to Cividale del Friuli | 944.93 mi (1,520.71 km) |
| Madrid to Civita Castellana | 844.38 mi (1,358.90 km) |
| Madrid to Civitanova Marche | 917.31 mi (1,476.27 km) |
| Madrid to Civitavecchia | 812.44 mi (1,307.50 km) |
| Madrid to Civitella in Val di Chiana | 818.10 mi (1,316.61 km) |
| Madrid to Clusone | 783.56 mi (1,261.01 km) |
| Madrid to Coccaglio | 776.11 mi (1,249.03 km) |
| Madrid to Codigoro | 858.45 mi (1,381.55 km) |
| Madrid to Codogno | 753.46 mi (1,212.58 km) |
| Madrid to Codroipo | 921.25 mi (1,482.62 km) |
| Madrid to Cogoleto | 686.34 mi (1,104.55 km) |
| Madrid to Colle di Val d'Elsa | 789.05 mi (1,269.85 km) |
| Madrid to Colle Salvetti | 759.71 mi (1,222.63 km) |
| Madrid to Collecchio | 767.55 mi (1,235.25 km) |
| Madrid to Colleferro | 874.22 mi (1,406.92 km) |
