| San Diego to Chivasso | 6,040.56 mi (9,721.34 km) |
| San Diego to Ciampino | 6,372.59 mi (10,255.69 km) |
| San Diego to Cicciano | 6,480.86 mi (10,429.94 km) |
| San Diego to Cingoli | 6,309.95 mi (10,154.88 km) |
| San Diego to Cinisello Balsamo | 6,066.53 mi (9,763.14 km) |
| San Diego to Cinisi | 6,581.42 mi (10,591.78 km) |
| San Diego to Cirie | 6,028.71 mi (9,702.26 km) |
| San Diego to Ciro Marina | 6,652.24 mi (10,705.75 km) |
| San Diego to Cislago | 6,053.26 mi (9,741.78 km) |
| San Diego to Cisterna di Latina | 6,391.23 mi (10,285.69 km) |
| San Diego to Cisternino | 6,586.84 mi (10,600.50 km) |
| San Diego to Citta di Castello | 6,273.48 mi (10,096.19 km) |
| San Diego to Citta Sant'Angelo | 6,382.07 mi (10,270.94 km) |
| San Diego to Cittadella | 6,143.98 mi (9,887.79 km) |
| San Diego to Cittanova | 6,673.65 mi (10,740.21 km) |
