| California to Castelletto sopra Ticino | 4,190.24 mi (6,743.53 km) |
| California to Castelli Calepio | 4,247.50 mi (6,835.70 km) |
| California to Castelnovo ne' Monti | 4,307.29 mi (6,931.92 km) |
| California to Castelnuovo Berardenga | 4,391.29 mi (7,067.09 km) |
| California to Castelnuovo di Porto | 4,476.44 mi (7,204.13 km) |
| California to Castelnuovo di Verona | 4,291.13 mi (6,905.90 km) |
| California to Castelnuovo Rangone | 4,326.75 mi (6,963.24 km) |
| California to Castelvetrano | 4,647.17 mi (7,478.90 km) |
| California to Castelvetro di Modena | 4,329.10 mi (6,967.02 km) |
| California to Castenaso | 4,351.40 mi (7,002.90 km) |
| California to Castenedolo | 4,269.72 mi (6,871.45 km) |
| California to Castiglion Fiorentino | 4,409.63 mi (7,096.61 km) |
| California to Castiglione del Lago | 4,422.20 mi (7,116.85 km) |
| California to Castiglione delle Stiviere | 4,280.71 mi (6,889.13 km) |
| California to Castrolibero | 4,743.01 mi (7,633.14 km) |
