| Altadena to Caguas (Puerto Rico) | 3,372.92 mi (5,428.19 km) |
| Altadena to Cahokia (Illinois) | 1,577.78 mi (2,539.20 km) |
| Altadena to Calabasas (California) | 30.78 mi (49.54 km) |
| Altadena to Caldwell (Idaho) | 657.88 mi (1,058.75 km) |
| Altadena to Caledonia (Wisconsin) | 1,729.70 mi (2,783.68 km) |
| Altadena to Calera (Alabama) | 1,799.59 mi (2,896.17 km) |
| Altadena to Calexico (California) | 184.45 mi (296.84 km) |
| Altadena to Calhoun (Georgia) | 1,885.31 mi (3,034.11 km) |
| Altadena to California (Maryland) | 2,317.98 mi (3,730.43 km) |
| Altadena to California City (California) | 68.33 mi (109.97 km) |
| Altadena to Callaway (Florida) | 1,917.75 mi (3,086.32 km) |
| Altadena to Calumet City (Illinois) | 1,734.02 mi (2,790.63 km) |
| Altadena to Calverton (Maryland) | 2,288.72 mi (3,683.34 km) |
| Altadena to Camano (Washington) | 992.39 mi (1,597.10 km) |
| Altadena to Camarillo (California) | 51.33 mi (82.60 km) |
