| Altadena to Cortona | 6,229.66 mi (10,025.68 km) |
| Altadena to Cosenza | 6,582.22 mi (10,593.06 km) |
| Altadena to Cossato | 5,986.83 mi (9,634.88 km) |
| Altadena to Costa Volpino | 6,034.59 mi (9,711.74 km) |
| Altadena to Creazzo | 6,093.33 mi (9,806.27 km) |
| Altadena to Crema | 6,045.77 mi (9,729.73 km) |
| Altadena to Cremona | 6,069.10 mi (9,767.28 km) |
| Altadena to Crevalcore | 6,126.35 mi (9,859.41 km) |
| Altadena to Crispiano | 6,540.23 mi (10,525.49 km) |
| Altadena to Crosia | 6,583.65 mi (10,595.36 km) |
| Altadena to Crotone | 6,621.67 mi (10,656.55 km) |
| Altadena to Cuneo | 6,027.32 mi (9,700.03 km) |
| Altadena to Cuorgne | 5,979.13 mi (9,622.49 km) |
| Altadena to Cusano Milanino | 6,020.31 mi (9,688.76 km) |
| Altadena to Cutro | 6,620.28 mi (10,654.31 km) |
