| Knic to Carson (California) | 6,476.51 mi (10,422.93 km) |
| Knic to Carson City (Nevada) | 6,190.28 mi (9,962.30 km) |
| Knic to Carteret (New Jersey) | 4,571.63 mi (7,357.32 km) |
| Knic to Cartersville (Georgia) | 5,299.45 mi (8,528.65 km) |
| Knic to Carthage (Missouri) | 5,518.52 mi (8,881.20 km) |
| Knic to Cary (Illinois) | 5,042.75 mi (8,115.53 km) |
| Knic to Cary (North Carolina) | 4,975.87 mi (8,007.88 km) |
| Knic to Casa de Oro-Mount Helix (California) | 6,505.88 mi (10,470.21 km) |
| Knic to Casa Grande (Arizona) | 6,343.49 mi (10,208.86 km) |
| Knic to Casas Adobes (Arizona) | 6,353.08 mi (10,224.29 km) |
| Knic to Cascades (Virginia) | 4,768.69 mi (7,674.46 km) |
| Knic to Casper (Wyoming) | 5,608.33 mi (9,025.73 km) |
| Knic to Casselberry (Florida) | 5,417.80 mi (8,719.11 km) |
| Knic to Castaic (California) | 6,447.39 mi (10,376.07 km) |
| Knic to Castle Pines (Colorado) | 5,753.36 mi (9,259.14 km) |
