| University of California-Santa Barbara to Cortona | 6,270.85 mi (10,091.96 km) |
| University of California-Santa Barbara to Cosenza | 6,623.17 mi (10,658.96 km) |
| University of California-Santa Barbara to Cossato | 6,029.00 mi (9,702.75 km) |
| University of California-Santa Barbara to Costa Volpino | 6,074.87 mi (9,776.56 km) |
| University of California-Santa Barbara to Creazzo | 6,132.72 mi (9,869.66 km) |
| University of California-Santa Barbara to Crema | 6,086.88 mi (9,795.88 km) |
| University of California-Santa Barbara to Cremona | 6,110.15 mi (9,833.33 km) |
| University of California-Santa Barbara to Crevalcore | 6,166.85 mi (9,924.59 km) |
| University of California-Santa Barbara to Crispiano | 6,579.00 mi (10,587.87 km) |
| University of California-Santa Barbara to Crosia | 6,623.84 mi (10,660.03 km) |
| University of California-Santa Barbara to Crotone | 6,661.95 mi (10,721.37 km) |
| University of California-Santa Barbara to Cuneo | 6,071.23 mi (9,770.70 km) |
| University of California-Santa Barbara to Cuorgne | 6,021.92 mi (9,691.34 km) |
| University of California-Santa Barbara to Cusano Milanino | 6,061.65 mi (9,755.29 km) |
| University of California-Santa Barbara to Cutro | 6,660.74 mi (10,719.42 km) |
