| Altadena to Cicero (Illinois) | 1,725.42 mi (2,776.80 km) |
| Altadena to Cimarron Hills (Colorado) | 811.60 mi (1,306.15 km) |
| Altadena to Cincinnati (Ohio) | 1,883.73 mi (3,031.57 km) |
| Altadena to Cinco Ranch (Texas) | 1,344.08 mi (2,163.09 km) |
| Altadena to Circleville (Ohio) | 1,967.62 mi (3,166.57 km) |
| Altadena to Citrus (California) | 15.00 mi (24.15 km) |
| Altadena to Citrus Heights (California) | 356.98 mi (574.51 km) |
| Altadena to Citrus Park (Florida) | 2,134.68 mi (3,435.43 km) |
| Altadena to Claiborne (Louisiana) | 1,497.01 mi (2,409.21 km) |
| Altadena to Claremont (California) | 24.41 mi (39.29 km) |
| Altadena to Claremont (New Hampshire) | 2,513.43 mi (4,044.98 km) |
| Altadena to Claremore (Oklahoma) | 1,276.42 mi (2,054.20 km) |
| Altadena to Clarksburg (Maryland) | 2,270.89 mi (3,654.64 km) |
| Altadena to Clarksburg (West Virginia) | 2,107.35 mi (3,391.46 km) |
| Altadena to Clarksdale (Mississippi) | 1,570.50 mi (2,527.47 km) |
