| Key West to Cold Springs (Nevada) | 2,443.52 mi (3,932.46 km) |
| Key West to Coldwater (Michigan) | 1,215.08 mi (1,955.49 km) |
| Key West to Colesville (Maryland) | 1,040.50 mi (1,674.53 km) |
| Key West to College (Alaska) | 3,992.12 mi (6,424.69 km) |
| Key West to College Park (Georgia) | 647.38 mi (1,041.86 km) |
| Key West to College Park (Maryland) | 1,036.48 mi (1,668.05 km) |
| Key West to College Station (Texas) | 980.54 mi (1,578.03 km) |
| Key West to Collegedale (Tennessee) | 750.60 mi (1,207.98 km) |
| Key West to Colleyville (Texas) | 1,092.82 mi (1,758.73 km) |
| Key West to Collierville (Tennessee) | 865.33 mi (1,392.61 km) |
| Key West to Collinsville (Illinois) | 1,087.46 mi (1,750.09 km) |
| Key West to Colonia (New Jersey) | 1,188.45 mi (1,912.62 km) |
| Key West to Colonial Heights (Virginia) | 914.83 mi (1,472.28 km) |
| Key West to Colonial Park (Pennsylvania) | 1,124.60 mi (1,809.87 km) |
| Key West to Colorado Springs (Colorado) | 1,665.57 mi (2,680.47 km) |
