| California to Chivasso | 4,173.78 mi (6,717.05 km) |
| California to Ciampino | 4,492.38 mi (7,229.79 km) |
| California to Cicciano | 4,607.95 mi (7,415.78 km) |
| California to Cingoli | 4,465.67 mi (7,186.80 km) |
| California to Cinisello Balsamo | 4,220.60 mi (6,792.40 km) |
| California to Cinisi | 4,643.87 mi (7,473.58 km) |
| California to Cirie | 4,159.88 mi (6,694.69 km) |
| California to Ciro Marina | 4,782.67 mi (7,696.96 km) |
| California to Cislago | 4,206.70 mi (6,770.04 km) |
| California to Cisterna di Latina | 4,509.83 mi (7,257.86 km) |
| California to Cisternino | 4,744.96 mi (7,636.28 km) |
| California to Citta di Castello | 4,419.95 mi (7,113.23 km) |
| California to Citta Sant'Angelo | 4,531.58 mi (7,292.88 km) |
| California to Cittadella | 4,327.71 mi (6,964.77 km) |
| California to Cittanova | 4,773.92 mi (7,682.89 km) |
