| Signal Hill to Crawfordsville (Indiana) | 1,770.37 mi (2,849.14 km) |
| Signal Hill to Crest Hill (Illinois) | 1,718.65 mi (2,765.90 km) |
| Signal Hill to Crestview (Florida) | 1,850.19 mi (2,977.59 km) |
| Signal Hill to Crestwood (Illinois) | 1,738.43 mi (2,797.74 km) |
| Signal Hill to Crestwood (Missouri) | 1,577.86 mi (2,539.33 km) |
| Signal Hill to Creve Coeur (Missouri) | 1,574.83 mi (2,534.44 km) |
| Signal Hill to Crofton (Maryland) | 2,314.74 mi (3,725.21 km) |
| Signal Hill to Crossville (Tennessee) | 1,875.25 mi (3,017.92 km) |
| Signal Hill to Crowley (Louisiana) | 1,527.20 mi (2,457.80 km) |
| Signal Hill to Crowley (Texas) | 1,204.16 mi (1,937.91 km) |
| Signal Hill to Crown Point (Indiana) | 1,756.47 mi (2,826.77 km) |
| Signal Hill to Crystal (Minnesota) | 1,525.68 mi (2,455.35 km) |
| Signal Hill to Crystal Lake (Illinois) | 1,714.61 mi (2,759.40 km) |
| Signal Hill to Cudahy (California) | 11.09 mi (17.86 km) |
| Signal Hill to Cudahy (Wisconsin) | 1,747.14 mi (2,811.75 km) |
