| University of California-Santa Barbara to Cernavoda | 6,633.95 mi (10,676.32 km) |
| University of California-Santa Barbara to Chitila | 6,577.60 mi (10,585.63 km) |
| University of California-Santa Barbara to Cisnadie | 6,461.94 mi (10,399.49 km) |
| University of California-Santa Barbara to Cluj-Napoca | 6,385.16 mi (10,275.92 km) |
| University of California-Santa Barbara to Codlea | 6,492.75 mi (10,449.06 km) |
| University of California-Santa Barbara to Comanesti | 6,470.33 mi (10,412.98 km) |
| University of California-Santa Barbara to Comarnic | 6,524.29 mi (10,499.84 km) |
| University of California-Santa Barbara to Constanta | 6,657.59 mi (10,714.35 km) |
| University of California-Santa Barbara to Corabia | 6,587.55 mi (10,601.63 km) |
| University of California-Santa Barbara to Costesti | 6,542.20 mi (10,528.65 km) |
| University of California-Santa Barbara to Covasna | 6,500.10 mi (10,460.90 km) |
| University of California-Santa Barbara to Craiova | 6,537.17 mi (10,520.56 km) |
| University of California-Santa Barbara to Cristuru Secuiesc | 6,447.26 mi (10,375.86 km) |
| University of California-Santa Barbara to Cugir | 6,435.47 mi (10,356.88 km) |
| University of California-Santa Barbara to Cumpana | 6,659.27 mi (10,717.06 km) |
