| Detroit to Castrovillari | 4,845.33 mi (7,797.80 km) |
| Detroit to Catania | 4,900.25 mi (7,886.20 km) |
| Detroit to Catanzaro | 4,902.05 mi (7,889.08 km) |
| Detroit to Cattolica | 4,528.96 mi (7,288.65 km) |
| Detroit to Cava de' Tirreni | 4,745.45 mi (7,637.06 km) |
| Detroit to Cavallino | 4,904.81 mi (7,893.53 km) |
| Detroit to Cavarzere | 4,455.64 mi (7,170.67 km) |
| Detroit to Cave | 4,625.67 mi (7,444.29 km) |
| Detroit to Cavriago | 4,411.02 mi (7,098.85 km) |
| Detroit to Cavriglia | 4,496.69 mi (7,236.73 km) |
| Detroit to Cazzago San Martino | 4,356.14 mi (7,010.53 km) |
| Detroit to Ceccano | 4,652.55 mi (7,487.56 km) |
| Detroit to Cecina | 4,465.24 mi (7,186.11 km) |
| Detroit to Cefalu | 4,831.50 mi (7,775.54 km) |
| Detroit to Ceglie Messapico | 4,861.81 mi (7,824.32 km) |
