| Detroit to Chivasso | 4,284.79 mi (6,895.70 km) |
| Detroit to Ciampino | 4,612.65 mi (7,423.34 km) |
| Detroit to Cicciano | 4,727.21 mi (7,607.71 km) |
| Detroit to Cingoli | 4,573.00 mi (7,359.54 km) |
| Detroit to Cinisello Balsamo | 4,324.91 mi (6,960.26 km) |
| Detroit to Cinisi | 4,786.75 mi (7,703.52 km) |
| Detroit to Cirie | 4,271.42 mi (6,874.19 km) |
| Detroit to Ciro Marina | 4,903.11 mi (7,890.79 km) |
| Detroit to Cislago | 4,311.02 mi (6,937.91 km) |
| Detroit to Cisterna di Latina | 4,630.75 mi (7,452.47 km) |
| Detroit to Cisternino | 4,855.45 mi (7,814.09 km) |
| Detroit to Citta di Castello | 4,529.84 mi (7,290.07 km) |
| Detroit to Citta Sant'Angelo | 4,642.00 mi (7,470.58 km) |
| Detroit to Cittadella | 4,423.37 mi (7,118.73 km) |
| Detroit to Cittanova | 4,904.76 mi (7,893.45 km) |
