| Knic to Clarkston (Georgia) | 5,293.57 mi (8,519.17 km) |
| Knic to Clarksville (Indiana) | 5,137.18 mi (8,267.49 km) |
| Knic to Clarksville (Tennessee) | 5,283.73 mi (8,503.34 km) |
| Knic to Clawson (Michigan) | 4,837.83 mi (7,785.74 km) |
| Knic to Clay (Alabama) | 5,395.74 mi (8,683.61 km) |
| Knic to Clayton (California) | 6,317.89 mi (10,167.67 km) |
| Knic to Clayton (Missouri) | 5,295.20 mi (8,521.81 km) |
| Knic to Clayton (North Carolina) | 4,966.00 mi (7,992.01 km) |
| Knic to Clayton (Ohio) | 5,007.61 mi (8,058.96 km) |
| Knic to Clearfield (Utah) | 5,871.16 mi (9,448.72 km) |
| Knic to Clearlake (California) | 6,270.97 mi (10,092.16 km) |
| Knic to Clearwater (Florida) | 5,513.48 mi (8,873.09 km) |
| Knic to Cleburne (Texas) | 5,884.26 mi (9,469.80 km) |
| Knic to Clemmons (North Carolina) | 5,029.50 mi (8,094.19 km) |
| Knic to Clemson (South Carolina) | 5,193.04 mi (8,357.39 km) |
