| Slough to Coldwater (Michigan) | 3,825.71 mi (6,156.89 km) |
| Slough to Colesville (Maryland) | 3,636.89 mi (5,853.01 km) |
| Slough to College (Alaska) | 4,207.73 mi (6,771.69 km) |
| Slough to College Park (Georgia) | 4,196.45 mi (6,753.54 km) |
| Slough to College Park (Maryland) | 3,637.59 mi (5,854.14 km) |
| Slough to College Station (Texas) | 4,824.12 mi (7,763.68 km) |
| Slough to Collegedale (Tennessee) | 4,151.50 mi (6,681.19 km) |
| Slough to Colleyville (Texas) | 4,737.87 mi (7,624.87 km) |
| Slough to Collierville (Tennessee) | 4,337.83 mi (6,981.07 km) |
| Slough to Collinsville (Illinois) | 4,172.67 mi (6,715.27 km) |
| Slough to Colonia (New Jersey) | 3,460.17 mi (5,568.60 km) |
| Slough to Colonial Heights (Virginia) | 3,735.07 mi (6,011.01 km) |
| Slough to Colonial Park (Pennsylvania) | 3,574.50 mi (5,752.60 km) |
| Slough to Colorado Springs (Colorado) | 4,707.29 mi (7,575.66 km) |
| Slough to Colton (California) | 5,395.84 mi (8,683.77 km) |
