| Horn Lake to Cortona | 5,143.28 mi (8,277.32 km) |
| Horn Lake to Cosenza | 5,482.47 mi (8,823.18 km) |
| Horn Lake to Cossato | 4,899.36 mi (7,884.76 km) |
| Horn Lake to Costa Volpino | 4,969.47 mi (7,997.58 km) |
| Horn Lake to Creazzo | 5,036.89 mi (8,106.09 km) |
| Horn Lake to Crema | 4,969.31 mi (7,997.34 km) |
| Horn Lake to Cremona | 4,992.29 mi (8,034.32 km) |
| Horn Lake to Crevalcore | 5,053.84 mi (8,133.36 km) |
| Horn Lake to Crispiano | 5,470.01 mi (8,803.13 km) |
| Horn Lake to Crosia | 5,493.43 mi (8,840.82 km) |
| Horn Lake to Crotone | 5,528.52 mi (8,897.30 km) |
| Horn Lake to Cuneo | 4,915.41 mi (7,910.59 km) |
| Horn Lake to Cuorgne | 4,884.08 mi (7,860.17 km) |
| Horn Lake to Cusano Milanino | 4,942.04 mi (7,953.45 km) |
| Horn Lake to Cutro | 5,524.91 mi (8,891.48 km) |
