| Altadena to Chivasso | 5,997.06 mi (9,651.33 km) |
| Altadena to Ciampino | 6,328.48 mi (10,184.71 km) |
| Altadena to Cicciano | 6,435.68 mi (10,357.23 km) |
| Altadena to Cingoli | 6,263.47 mi (10,080.08 km) |
| Altadena to Cinisello Balsamo | 6,021.38 mi (9,690.47 km) |
| Altadena to Cinisi | 6,540.92 mi (10,526.59 km) |
| Altadena to Cirie | 5,985.41 mi (9,632.59 km) |
| Altadena to Ciro Marina | 6,605.99 mi (10,631.32 km) |
| Altadena to Cislago | 6,008.21 mi (9,669.29 km) |
| Altadena to Cisterna di Latina | 6,347.13 mi (10,214.71 km) |
| Altadena to Cisternino | 6,538.84 mi (10,523.25 km) |
| Altadena to Citta di Castello | 6,227.85 mi (10,022.76 km) |
| Altadena to Citta Sant'Angelo | 6,335.69 mi (10,196.31 km) |
| Altadena to Cittadella | 6,096.34 mi (9,811.10 km) |
| Altadena to Cittanova | 6,629.65 mi (10,669.38 km) |
