| Signal Hill to Cold Springs (Nevada) | 419.06 mi (674.41 km) |
| Signal Hill to Coldwater (Michigan) | 1,881.11 mi (3,027.35 km) |
| Signal Hill to Colesville (Maryland) | 2,297.27 mi (3,697.09 km) |
| Signal Hill to College (Alaska) | 2,478.35 mi (3,988.52 km) |
| Signal Hill to College Park (Georgia) | 1,928.18 mi (3,103.11 km) |
| Signal Hill to College Park (Maryland) | 2,301.24 mi (3,703.49 km) |
| Signal Hill to College Station (Texas) | 1,295.49 mi (2,084.90 km) |
| Signal Hill to Collegedale (Tennessee) | 1,880.81 mi (3,026.87 km) |
| Signal Hill to Colleyville (Texas) | 1,212.73 mi (1,951.69 km) |
| Signal Hill to Collierville (Tennessee) | 1,619.34 mi (2,606.07 km) |
| Signal Hill to Collinsville (Illinois) | 1,598.41 mi (2,572.39 km) |
| Signal Hill to Colonia (New Jersey) | 2,432.98 mi (3,915.51 km) |
| Signal Hill to Colonial Heights (Virginia) | 2,287.19 mi (3,680.88 km) |
| Signal Hill to Colonial Park (Pennsylvania) | 2,303.05 mi (3,706.41 km) |
| Signal Hill to Colorado Springs (Colorado) | 823.10 mi (1,324.65 km) |
