| Madrid to Collegno | 655.65 mi (1,055.17 km) |
| Madrid to Cologno al Serio | 764.23 mi (1,229.91 km) |
| Madrid to Cologno Monzese | 744.01 mi (1,197.36 km) |
| Madrid to Colorno | 779.29 mi (1,254.14 km) |
| Madrid to Comacchio | 859.24 mi (1,382.81 km) |
| Madrid to Comiso | 1,013.80 mi (1,631.56 km) |
| Madrid to Como | 743.68 mi (1,196.84 km) |
| Madrid to Concordia Sagittaria | 911.10 mi (1,466.27 km) |
| Madrid to Concorezzo | 748.26 mi (1,204.21 km) |
| Madrid to Conegliano | 888.57 mi (1,430.02 km) |
| Madrid to Conselice | 839.41 mi (1,350.89 km) |
| Madrid to Conselve | 854.52 mi (1,375.21 km) |
| Madrid to Conversano | 1,088.81 mi (1,752.27 km) |
| Madrid to Copertino | 1,142.73 mi (1,839.04 km) |
| Madrid to Copparo | 846.33 mi (1,362.04 km) |
