| University of California-Santa Barbara to Cividale del Friuli | 6,158.99 mi (9,911.94 km) |
| University of California-Santa Barbara to Civita Castellana | 6,337.45 mi (10,199.13 km) |
| University of California-Santa Barbara to Civitanova Marche | 6,322.72 mi (10,175.44 km) |
| University of California-Santa Barbara to Civitavecchia | 6,328.98 mi (10,185.51 km) |
| University of California-Santa Barbara to Civitella in Val di Chiana | 6,254.77 mi (10,066.08 km) |
| University of California-Santa Barbara to Clusone | 6,067.50 mi (9,764.70 km) |
| University of California-Santa Barbara to Coccaglio | 6,085.47 mi (9,793.61 km) |
| University of California-Santa Barbara to Codigoro | 6,189.82 mi (9,961.55 km) |
| University of California-Santa Barbara to Codogno | 6,098.57 mi (9,814.69 km) |
| University of California-Santa Barbara to Codroipo | 6,153.44 mi (9,903.00 km) |
| University of California-Santa Barbara to Cogoleto | 6,106.13 mi (9,826.87 km) |
| University of California-Santa Barbara to Colle di Val d'Elsa | 6,237.52 mi (10,038.32 km) |
| University of California-Santa Barbara to Colle Salvetti | 6,206.36 mi (9,988.17 km) |
| University of California-Santa Barbara to Collecchio | 6,136.34 mi (9,875.48 km) |
| University of California-Santa Barbara to Colleferro | 6,387.25 mi (10,279.29 km) |
