| Sierra Vista Southeast to Cortona | 6,112.73 mi (9,837.48 km) |
| Sierra Vista Southeast to Cosenza | 6,463.44 mi (10,401.90 km) |
| Sierra Vista Southeast to Cossato | 5,866.79 mi (9,441.69 km) |
| Sierra Vista Southeast to Costa Volpino | 5,924.22 mi (9,534.11 km) |
| Sierra Vista Southeast to Creazzo | 5,987.16 mi (9,635.40 km) |
| Sierra Vista Southeast to Crema | 5,930.90 mi (9,544.87 km) |
| Sierra Vista Southeast to Cremona | 5,954.35 mi (9,582.60 km) |
| Sierra Vista Southeast to Crevalcore | 6,013.99 mi (9,678.59 km) |
| Sierra Vista Southeast to Crispiano | 6,433.38 mi (10,353.53 km) |
| Sierra Vista Southeast to Crosia | 6,468.91 mi (10,410.70 km) |
| Sierra Vista Southeast to Crotone | 6,506.10 mi (10,470.56 km) |
| Sierra Vista Southeast to Cuneo | 5,897.60 mi (9,491.26 km) |
| Sierra Vista Southeast to Cuorgne | 5,855.89 mi (9,424.14 km) |
| Sierra Vista Southeast to Cusano Milanino | 5,904.42 mi (9,502.24 km) |
| Sierra Vista Southeast to Cutro | 6,503.76 mi (10,466.78 km) |
