| Key Largo to Cervignano del Friuli | 5,163.82 mi (8,310.36 km) |
| Key Largo to Cesa | 5,328.20 mi (8,574.91 km) |
| Key Largo to Cesano Maderno | 4,977.37 mi (8,010.30 km) |
| Key Largo to Cesena | 5,154.41 mi (8,295.22 km) |
| Key Largo to Cesenatico | 5,159.91 mi (8,304.08 km) |
| Key Largo to Cetraro | 5,451.01 mi (8,772.55 km) |
| Key Largo to Cherasco | 4,938.47 mi (7,947.69 km) |
| Key Largo to Chiampo | 5,077.12 mi (8,170.84 km) |
| Key Largo to Chiaravalle | 5,218.30 mi (8,398.04 km) |
| Key Largo to Chiari | 5,013.66 mi (8,068.71 km) |
| Key Largo to Chiavari | 5,014.34 mi (8,069.80 km) |
| Key Largo to Chieri | 4,928.92 mi (7,932.33 km) |
| Key Largo to Chieti | 5,289.13 mi (8,512.03 km) |
| Key Largo to Chioggia | 5,130.30 mi (8,256.41 km) |
| Key Largo to Chiusi | 5,167.51 mi (8,316.30 km) |
