| California to Castelfidardo | 4,476.67 mi (7,204.51 km) |
| California to Castelfiorentino | 4,359.26 mi (7,015.55 km) |
| California to Castelfranco di Sopra | 4,384.46 mi (7,056.11 km) |
| California to Castelfranco di Sotto | 4,346.44 mi (6,994.93 km) |
| California to Castelfranco Emilia | 4,330.43 mi (6,969.15 km) |
| California to Castelfranco Veneto | 4,333.56 mi (6,974.19 km) |
| California to Castellabate | 4,651.56 mi (7,485.96 km) |
| California to Castellammare del Golfo | 4,638.79 mi (7,465.42 km) |
| California to Castellammare di Stabia | 4,615.36 mi (7,427.71 km) |
| California to Castellamonte | 4,160.35 mi (6,695.43 km) |
| California to Castellana Grotte | 4,727.63 mi (7,608.39 km) |
| California to Castellaneta | 4,726.65 mi (7,606.81 km) |
| California to Castellanza | 4,204.84 mi (6,767.04 km) |
| California to Castellarano | 4,319.69 mi (6,951.87 km) |
| California to Castelleone | 4,252.08 mi (6,843.06 km) |
