| Rock Hill to Cortona | 4,755.19 mi (7,652.73 km) |
| Rock Hill to Cosenza | 5,084.84 mi (8,183.27 km) |
| Rock Hill to Cossato | 4,515.23 mi (7,266.56 km) |
| Rock Hill to Costa Volpino | 4,590.95 mi (7,388.42 km) |
| Rock Hill to Creazzo | 4,659.79 mi (7,499.21 km) |
| Rock Hill to Crema | 4,587.31 mi (7,382.56 km) |
| Rock Hill to Cremona | 4,609.76 mi (7,418.70 km) |
| Rock Hill to Crevalcore | 4,671.51 mi (7,518.07 km) |
| Rock Hill to Crispiano | 5,081.17 mi (8,177.35 km) |
| Rock Hill to Crosia | 5,098.39 mi (8,205.06 km) |
| Rock Hill to Crotone | 5,132.08 mi (8,259.28 km) |
| Rock Hill to Cuneo | 4,523.48 mi (7,279.83 km) |
| Rock Hill to Cuorgne | 4,497.88 mi (7,238.65 km) |
| Rock Hill to Cusano Milanino | 4,559.97 mi (7,338.57 km) |
| Rock Hill to Cutro | 5,127.88 mi (8,252.53 km) |
