| Knic to Cookeville (Tennessee) | 5,232.02 mi (8,420.13 km) |
| Knic to Coolidge (Arizona) | 6,334.45 mi (10,194.31 km) |
| Knic to Coon Rapids (Minnesota) | 5,073.44 mi (8,164.92 km) |
| Knic to Cooper City (Florida) | 5,497.73 mi (8,847.73 km) |
| Knic to Coos Bay (Oregon) | 6,029.23 mi (9,703.10 km) |
| Knic to Copiague (New York) | 4,533.47 mi (7,295.91 km) |
| Knic to Coppell (Texas) | 5,836.20 mi (9,392.46 km) |
| Knic to Copperas Cove (Texas) | 5,968.91 mi (9,606.03 km) |
| Knic to Coral Gables (Florida) | 5,513.53 mi (8,873.16 km) |
| Knic to Coral Springs (Florida) | 5,485.77 mi (8,828.49 km) |
| Knic to Coral Terrace (Florida) | 5,512.97 mi (8,872.27 km) |
| Knic to Coralville (Iowa) | 5,188.65 mi (8,350.32 km) |
| Knic to Coram (New York) | 4,508.58 mi (7,255.87 km) |
| Knic to Corcoran (California) | 6,373.81 mi (10,257.65 km) |
| Knic to Cordele (Georgia) | 5,363.71 mi (8,632.05 km) |
