| University of California-Santa Barbara to Castelfidardo | 6,308.01 mi (10,151.75 km) |
| University of California-Santa Barbara to Castelfiorentino | 6,221.51 mi (10,012.56 km) |
| University of California-Santa Barbara to Castelfranco di Sopra | 6,238.63 mi (10,040.10 km) |
| University of California-Santa Barbara to Castelfranco di Sotto | 6,209.35 mi (9,992.98 km) |
| University of California-Santa Barbara to Castelfranco Emilia | 6,170.36 mi (9,930.23 km) |
| University of California-Santa Barbara to Castelfranco Veneto | 6,138.90 mi (9,879.61 km) |
| University of California-Santa Barbara to Castellabate | 6,528.11 mi (10,505.97 km) |
| University of California-Santa Barbara to Castellammare del Golfo | 6,586.47 mi (10,599.91 km) |
| University of California-Santa Barbara to Castellammare di Stabia | 6,490.26 mi (10,445.07 km) |
| University of California-Santa Barbara to Castellamonte | 6,024.30 mi (9,695.17 km) |
| University of California-Santa Barbara to Castellana Grotte | 6,560.87 mi (10,558.70 km) |
| University of California-Santa Barbara to Castellaneta | 6,568.20 mi (10,570.50 km) |
| University of California-Santa Barbara to Castellanza | 6,049.32 mi (9,735.44 km) |
| University of California-Santa Barbara to Castellarano | 6,163.69 mi (9,919.50 km) |
| University of California-Santa Barbara to Castelleone | 6,093.06 mi (9,805.83 km) |
