| Madison to Cernavoda | 5,272.14 mi (8,484.69 km) |
| Madison to Chitila | 5,195.13 mi (8,360.76 km) |
| Madison to Cisnadie | 5,073.29 mi (8,164.66 km) |
| Madison to Cluj-Napoca | 5,002.39 mi (8,050.57 km) |
| Madison to Codlea | 5,117.38 mi (8,235.62 km) |
| Madison to Comanesti | 5,113.68 mi (8,229.67 km) |
| Madison to Comarnic | 5,146.11 mi (8,281.86 km) |
| Madison to Constanta | 5,300.72 mi (8,530.68 km) |
| Madison to Corabia | 5,181.65 mi (8,339.06 km) |
| Madison to Costesti | 5,149.79 mi (8,287.79 km) |
| Madison to Covasna | 5,134.27 mi (8,262.81 km) |
| Madison to Craiova | 5,130.15 mi (8,256.18 km) |
| Madison to Cristuru Secuiesc | 5,074.13 mi (8,166.02 km) |
| Madison to Cugir | 5,040.23 mi (8,111.47 km) |
| Madison to Cumpana | 5,300.96 mi (8,531.07 km) |
