| Signal Hill to Clarksdale (Mississippi) | 1,576.29 mi (2,536.80 km) |
| Signal Hill to Clarkston (Georgia) | 1,938.80 mi (3,120.19 km) |
| Signal Hill to Clarksville (Indiana) | 1,826.83 mi (2,939.99 km) |
| Signal Hill to Clarksville (Tennessee) | 1,743.74 mi (2,806.27 km) |
| Signal Hill to Clawson (Michigan) | 1,979.52 mi (3,185.72 km) |
| Signal Hill to Clay (Alabama) | 1,805.86 mi (2,906.25 km) |
| Signal Hill to Clayton (California) | 355.01 mi (571.33 km) |
| Signal Hill to Clayton (Missouri) | 1,580.82 mi (2,544.08 km) |
| Signal Hill to Clayton (North Carolina) | 2,243.65 mi (3,610.80 km) |
| Signal Hill to Clayton (Ohio) | 1,905.58 mi (3,066.73 km) |
| Signal Hill to Clearfield (Utah) | 606.23 mi (975.63 km) |
| Signal Hill to Clearlake (California) | 434.13 mi (698.67 km) |
| Signal Hill to Clearwater (Florida) | 2,126.76 mi (3,422.69 km) |
| Signal Hill to Cleburne (Texas) | 1,203.58 mi (1,936.98 km) |
| Signal Hill to Clemmons (North Carolina) | 2,132.71 mi (3,432.26 km) |
