| Signal Hill to Clemson (South Carolina) | 2,009.86 mi (3,234.56 km) |
| Signal Hill to Clermont (Florida) | 2,173.86 mi (3,498.49 km) |
| Signal Hill to Cleveland (Mississippi) | 1,571.23 mi (2,528.64 km) |
| Signal Hill to Cleveland (Ohio) | 2,049.03 mi (3,297.60 km) |
| Signal Hill to Cleveland (Tennessee) | 1,889.73 mi (3,041.22 km) |
| Signal Hill to Cleveland Heights (Ohio) | 2,055.20 mi (3,307.52 km) |
| Signal Hill to Cliffside Park (New Jersey) | 2,449.20 mi (3,941.61 km) |
| Signal Hill to Clifton (Colorado) | 650.48 mi (1,046.85 km) |
| Signal Hill to Clifton (New Jersey) | 2,440.20 mi (3,927.12 km) |
| Signal Hill to Clinton (Iowa) | 1,613.54 mi (2,596.74 km) |
| Signal Hill to Clinton (Maryland) | 2,303.98 mi (3,707.90 km) |
| Signal Hill to Clinton (Mississippi) | 1,609.31 mi (2,589.94 km) |
| Signal Hill to Clinton (Utah) | 607.02 mi (976.90 km) |
| Signal Hill to Clive (Iowa) | 1,431.10 mi (2,303.13 km) |
| Signal Hill to Cloquet (Minnesota) | 1,609.94 mi (2,590.95 km) |
