| Madison to Cehegin | 4,390.40 mi (7,065.67 km) |
| Madison to Cervello | 4,420.32 mi (7,113.81 km) |
| Madison to Cervera | 4,380.53 mi (7,049.79 km) |
| Madison to Ceuti | 4,414.27 mi (7,104.08 km) |
| Madison to Cheste | 4,383.92 mi (7,055.24 km) |
| Madison to Chiclana de la Frontera | 4,260.54 mi (6,856.68 km) |
| Madison to Chipiona | 4,235.22 mi (6,815.92 km) |
| Madison to Chiva | 4,382.72 mi (7,053.30 km) |
| Madison to Churriana de la Vega | 4,345.24 mi (6,992.99 km) |
| Madison to Ciempozuelos | 4,229.05 mi (6,806.01 km) |
| Madison to Cieza | 4,401.34 mi (7,083.28 km) |
| Madison to Cisterniga | 4,127.35 mi (6,642.33 km) |
| Madison to Ciudad de Melilla | 4,452.19 mi (7,165.11 km) |
| Madison to Ciudad Real | 4,261.30 mi (6,857.90 km) |
| Madison to Ciudad-Rodrigo | 4,083.74 mi (6,572.14 km) |
