| University of California-Santa Barbara to Castelletto sopra Ticino | 6,035.73 mi (9,713.57 km) |
| University of California-Santa Barbara to Castelli Calepio | 6,079.33 mi (9,783.73 km) |
| University of California-Santa Barbara to Castelnovo ne' Monti | 6,159.01 mi (9,911.96 km) |
| University of California-Santa Barbara to Castelnuovo Berardenga | 6,251.95 mi (10,061.53 km) |
| University of California-Santa Barbara to Castelnuovo di Porto | 6,349.17 mi (10,218.00 km) |
| University of California-Santa Barbara to Castelnuovo di Verona | 6,116.50 mi (9,843.56 km) |
| University of California-Santa Barbara to Castelnuovo Rangone | 6,169.21 mi (9,928.38 km) |
| University of California-Santa Barbara to Castelvetrano | 6,602.37 mi (10,625.49 km) |
| University of California-Santa Barbara to Castelvetro di Modena | 6,172.42 mi (9,933.55 km) |
| University of California-Santa Barbara to Castenaso | 6,187.85 mi (9,958.39 km) |
| University of California-Santa Barbara to Castenedolo | 6,100.19 mi (9,817.30 km) |
| University of California-Santa Barbara to Castiglion Fiorentino | 6,264.99 mi (10,082.53 km) |
| University of California-Santa Barbara to Castiglione del Lago | 6,280.17 mi (10,106.95 km) |
| University of California-Santa Barbara to Castiglione delle Stiviere | 6,110.17 mi (9,833.37 km) |
| University of California-Santa Barbara to Castrolibero | 6,620.69 mi (10,654.96 km) |
