| Hard to Coldwater (Michigan) | 4,363.25 mi (7,021.98 km) |
| Hard to Colesville (Maryland) | 4,168.81 mi (6,709.05 km) |
| Hard to College (Alaska) | 4,579.69 mi (7,370.30 km) |
| Hard to College Park (Georgia) | 4,728.35 mi (7,609.54 km) |
| Hard to College Park (Maryland) | 4,169.36 mi (6,709.94 km) |
| Hard to College Station (Texas) | 5,361.09 mi (8,627.84 km) |
| Hard to Collegedale (Tennessee) | 4,685.27 mi (7,540.21 km) |
| Hard to Colleyville (Texas) | 5,275.47 mi (8,490.05 km) |
| Hard to Collierville (Tennessee) | 4,874.21 mi (7,844.28 km) |
| Hard to Collinsville (Illinois) | 4,710.25 mi (7,580.41 km) |
| Hard to Colonia (New Jersey) | 3,991.90 mi (6,424.34 km) |
| Hard to Colonial Heights (Virginia) | 4,264.91 mi (6,863.71 km) |
| Hard to Colonial Park (Pennsylvania) | 4,107.74 mi (6,610.77 km) |
| Hard to Colorado Springs (Colorado) | 5,239.30 mi (8,431.84 km) |
| Hard to Colton (California) | 5,918.29 mi (9,524.57 km) |
