| Ridge to Cordele (Georgia) | 863.96 mi (1,390.40 km) |
| Ridge to Corinth (Mississippi) | 944.39 mi (1,519.85 km) |
| Ridge to Corinth (Texas) | 1,432.03 mi (2,304.63 km) |
| Ridge to Cornelius (North Carolina) | 573.75 mi (923.36 km) |
| Ridge to Cornelius (Oregon) | 2,504.94 mi (4,031.32 km) |
| Ridge to Corning (New York) | 232.28 mi (373.82 km) |
| Ridge to Corona (California) | 2,473.43 mi (3,980.60 km) |
| Ridge to Coronado (California) | 2,487.83 mi (4,003.77 km) |
| Ridge to Corpus Christi (Texas) | 1,659.26 mi (2,670.32 km) |
| Ridge to Corsicana (Texas) | 1,438.84 mi (2,315.59 km) |
| Ridge to Cortland (New York) | 206.30 mi (332.01 km) |
| Ridge to Corvallis (Oregon) | 2,529.14 mi (4,070.26 km) |
| Ridge to Coshocton (Ohio) | 472.39 mi (760.24 km) |
| Ridge to Costa Mesa (California) | 2,497.26 mi (4,018.94 km) |
| Ridge to Coto de Caza (California) | 2,482.25 mi (3,994.79 km) |
