| Madison to Cadiz | 4,249.16 mi (6,838.37 km) |
| Madison to Calafell | 4,411.75 mi (7,100.03 km) |
| Madison to Calahorra | 4,218.55 mi (6,789.10 km) |
| Madison to Calasparra | 4,389.26 mi (7,063.83 km) |
| Madison to Calatayud | 4,269.33 mi (6,870.82 km) |
| Madison to Caldas de Montbuy | 4,419.56 mi (7,112.59 km) |
| Madison to Caldas de Reyes | 3,918.95 mi (6,306.95 km) |
| Madison to Calella | 4,441.01 mi (7,147.12 km) |
| Madison to Callosa de Segura | 4,429.84 mi (7,129.14 km) |
| Madison to Calpe | 4,449.28 mi (7,160.42 km) |
| Madison to Calvia | 4,518.09 mi (7,271.17 km) |
| Madison to Camas | 4,227.50 mi (6,803.51 km) |
| Madison to Cambados | 3,915.45 mi (6,301.31 km) |
| Madison to Cambre | 3,908.58 mi (6,290.25 km) |
| Madison to Cambrils | 4,395.36 mi (7,073.65 km) |
