| Signal Hill to Candler-McAfee (Georgia) | 1,937.97 mi (3,118.87 km) |
| Signal Hill to Caño Martin Peña (Puerto Rico) | 3,365.04 mi (5,415.51 km) |
| Signal Hill to Cañon City (Colorado) | 789.59 mi (1,270.71 km) |
| Signal Hill to Canóvanas (Puerto Rico) | 3,375.69 mi (5,432.65 km) |
| Signal Hill to Canton (Georgia) | 1,919.91 mi (3,089.79 km) |
| Signal Hill to Canton (Illinois) | 1,609.37 mi (2,590.03 km) |
| Signal Hill to Canton (Mississippi) | 1,623.78 mi (2,613.23 km) |
| Signal Hill to Canton (Ohio) | 2,063.47 mi (3,320.83 km) |
| Signal Hill to Canyon (Texas) | 928.99 mi (1,495.06 km) |
| Signal Hill to Canyon Lake (California) | 52.65 mi (84.73 km) |
| Signal Hill to Canyon Lake (Texas) | 1,197.47 mi (1,927.15 km) |
| Signal Hill to Cape Coral (Florida) | 2,203.54 mi (3,546.26 km) |
| Signal Hill to Cape Girardeau (Missouri) | 1,619.94 mi (2,607.03 km) |
| Signal Hill to Carbondale (Illinois) | 1,638.51 mi (2,636.93 km) |
| Signal Hill to Carlisle (Pennsylvania) | 2,282.41 mi (3,673.19 km) |
