| Signal Hill to Cordele (Georgia) | 1,990.84 mi (3,203.95 km) |
| Signal Hill to Corinth (Mississippi) | 1,686.72 mi (2,714.52 km) |
| Signal Hill to Corinth (Texas) | 1,214.80 mi (1,955.03 km) |
| Signal Hill to Cornelius (North Carolina) | 2,110.21 mi (3,396.06 km) |
| Signal Hill to Cornelius (Oregon) | 849.69 mi (1,367.45 km) |
| Signal Hill to Corning (New York) | 2,288.56 mi (3,683.08 km) |
| Signal Hill to Corona (California) | 34.86 mi (56.10 km) |
| Signal Hill to Coronado (California) | 97.85 mi (157.48 km) |
| Signal Hill to Corpus Christi (Texas) | 1,301.04 mi (2,093.82 km) |
| Signal Hill to Corsicana (Texas) | 1,261.61 mi (2,030.36 km) |
| Signal Hill to Cortland (New York) | 2,333.81 mi (3,755.91 km) |
| Signal Hill to Corvallis (Oregon) | 792.22 mi (1,274.95 km) |
| Signal Hill to Coshocton (Ohio) | 2,037.41 mi (3,278.90 km) |
| Signal Hill to Costa Mesa (California) | 17.40 mi (28.00 km) |
| Signal Hill to Coto de Caza (California) | 36.39 mi (58.57 km) |
