| Knic to Crest Hill (Illinois) | 5,068.81 mi (8,157.47 km) |
| Knic to Crestview (Florida) | 5,539.86 mi (8,915.54 km) |
| Knic to Crestwood (Illinois) | 5,051.55 mi (8,129.68 km) |
| Knic to Crestwood (Missouri) | 5,301.37 mi (8,531.73 km) |
| Knic to Creve Coeur (Missouri) | 5,298.53 mi (8,527.15 km) |
| Knic to Crofton (Maryland) | 4,741.04 mi (7,629.97 km) |
| Knic to Crossville (Tennessee) | 5,222.25 mi (8,404.40 km) |
| Knic to Crowley (Louisiana) | 5,802.17 mi (9,337.69 km) |
| Knic to Crowley (Texas) | 5,870.38 mi (9,447.46 km) |
| Knic to Crown Point (Indiana) | 5,048.14 mi (8,124.19 km) |
| Knic to Crystal (Minnesota) | 5,082.06 mi (8,178.79 km) |
| Knic to Crystal Lake (Illinois) | 5,044.89 mi (8,118.96 km) |
| Knic to Cudahy (California) | 6,466.88 mi (10,407.43 km) |
| Knic to Cudahy (Wisconsin) | 4,993.28 mi (8,035.91 km) |
| Knic to Cullman (Alabama) | 5,381.36 mi (8,660.45 km) |
