| Alpena to Crest Hill (Illinois) | 337.07 mi (542.45 km) |
| Alpena to Crestview (Florida) | 1,004.31 mi (1,616.28 km) |
| Alpena to Crestwood (Illinois) | 320.48 mi (515.76 km) |
| Alpena to Crestwood (Missouri) | 574.34 mi (924.31 km) |
| Alpena to Creve Coeur (Missouri) | 570.58 mi (918.26 km) |
| Alpena to Crofton (Maryland) | 543.29 mi (874.34 km) |
| Alpena to Crossville (Tennessee) | 635.70 mi (1,023.05 km) |
| Alpena to Crowley (Louisiana) | 1,135.20 mi (1,826.93 km) |
| Alpena to Crowley (Texas) | 1,139.76 mi (1,834.27 km) |
| Alpena to Crown Point (Indiana) | 320.19 mi (515.30 km) |
| Alpena to Crystal (Minnesota) | 483.87 mi (778.71 km) |
| Alpena to Crystal Lake (Illinois) | 313.59 mi (504.67 km) |
| Alpena to Cudahy (California) | 1,985.55 mi (3,195.43 km) |
| Alpena to Cudahy (Wisconsin) | 264.38 mi (425.49 km) |
| Alpena to Cullman (Alabama) | 774.12 mi (1,245.83 km) |
