| Horndean to Cortona | 805.10 mi (1,295.69 km) |
| Horndean to Cosenza | 1,157.04 mi (1,862.07 km) |
| Horndean to Cossato | 559.86 mi (901.00 km) |
| Horndean to Costa Volpino | 617.58 mi (993.91 km) |
| Horndean to Creazzo | 682.87 mi (1,098.97 km) |
| Horndean to Crema | 622.93 mi (1,002.51 km) |
| Horndean to Cremona | 646.38 mi (1,040.24 km) |
| Horndean to Crevalcore | 706.27 mi (1,136.64 km) |
| Horndean to Crispiano | 1,126.06 mi (1,812.22 km) |
| Horndean to Crosia | 1,161.26 mi (1,868.87 km) |
| Horndean to Crotone | 1,198.69 mi (1,929.10 km) |
| Horndean to Cuneo | 600.72 mi (966.77 km) |
| Horndean to Cuorgne | 551.14 mi (886.97 km) |
| Horndean to Cusano Milanino | 596.44 mi (959.88 km) |
| Horndean to Cutro | 1,196.60 mi (1,925.74 km) |
