| Alpena to Cookeville (Tennessee) | 626.14 mi (1,007.68 km) |
| Alpena to Coolidge (Arizona) | 1,712.78 mi (2,756.46 km) |
| Alpena to Coon Rapids (Minnesota) | 480.87 mi (773.89 km) |
| Alpena to Cooper City (Florida) | 1,326.31 mi (2,134.48 km) |
| Alpena to Coos Bay (Oregon) | 2,001.62 mi (3,221.30 km) |
| Alpena to Copiague (New York) | 592.17 mi (953.01 km) |
| Alpena to Coppell (Texas) | 1,105.60 mi (1,779.29 km) |
| Alpena to Copperas Cove (Texas) | 1,240.58 mi (1,996.51 km) |
| Alpena to Coral Gables (Florida) | 1,349.92 mi (2,172.49 km) |
| Alpena to Coral Springs (Florida) | 1,311.15 mi (2,110.09 km) |
| Alpena to Coral Terrace (Florida) | 1,346.75 mi (2,167.38 km) |
| Alpena to Coralville (Iowa) | 470.96 mi (757.94 km) |
| Alpena to Coram (New York) | 601.10 mi (967.38 km) |
| Alpena to Corcoran (California) | 1,975.85 mi (3,179.82 km) |
| Alpena to Cordele (Georgia) | 906.52 mi (1,458.90 km) |
