| Apex to Crest Hill (Illinois) | 641.06 mi (1,031.69 km) |
| Apex to Crestview (Florida) | 562.20 mi (904.77 km) |
| Apex to Crestwood (Illinois) | 628.69 mi (1,011.78 km) |
| Apex to Crestwood (Missouri) | 662.63 mi (1,066.40 km) |
| Apex to Creve Coeur (Missouri) | 667.76 mi (1,074.66 km) |
| Apex to Crofton (Maryland) | 257.30 mi (414.08 km) |
| Apex to Crossville (Tennessee) | 345.07 mi (555.34 km) |
| Apex to Crowley (Louisiana) | 869.07 mi (1,398.63 km) |
| Apex to Crowley (Texas) | 1,077.29 mi (1,733.73 km) |
| Apex to Crown Point (Indiana) | 602.80 mi (970.12 km) |
| Apex to Crystal (Minnesota) | 995.01 mi (1,601.31 km) |
| Apex to Crystal Lake (Illinois) | 677.84 mi (1,090.87 km) |
| Apex to Cudahy (California) | 2,217.46 mi (3,568.65 km) |
| Apex to Cudahy (Wisconsin) | 691.92 mi (1,113.53 km) |
| Apex to Cullman (Alabama) | 463.48 mi (745.90 km) |
