| Valley Center to Cortona | 6,248.45 mi (10,055.91 km) |
| Valley Center to Cosenza | 6,601.06 mi (10,623.38 km) |
| Valley Center to Cossato | 6,004.76 mi (9,663.73 km) |
| Valley Center to Costa Volpino | 6,054.39 mi (9,743.59 km) |
| Valley Center to Creazzo | 6,113.97 mi (9,839.49 km) |
| Valley Center to Crema | 6,064.74 mi (9,760.25 km) |
| Valley Center to Cremona | 6,088.12 mi (9,797.88 km) |
| Valley Center to Crevalcore | 6,145.88 mi (9,890.84 km) |
| Valley Center to Crispiano | 6,561.26 mi (10,559.33 km) |
| Valley Center to Crosia | 6,603.25 mi (10,626.91 km) |
| Valley Center to Crotone | 6,641.16 mi (10,687.92 km) |
| Valley Center to Cuneo | 6,043.46 mi (9,726.01 km) |
| Valley Center to Cuorgne | 5,996.45 mi (9,650.35 km) |
| Valley Center to Cusano Milanino | 6,039.06 mi (9,718.93 km) |
| Valley Center to Cutro | 6,639.59 mi (10,685.39 km) |
