| Alpena to Commerce City (Colorado) | 1,144.66 mi (1,842.15 km) |
| Alpena to Compton (California) | 1,990.33 mi (3,203.13 km) |
| Alpena to Comstock Park (Michigan) | 178.93 mi (287.95 km) |
| Alpena to Concord (California) | 2,033.59 mi (3,272.75 km) |
| Alpena to Concord (Missouri) | 576.20 mi (927.31 km) |
| Alpena to Concord (New Hampshire) | 601.99 mi (968.81 km) |
| Alpena to Concord (North Carolina) | 684.90 mi (1,102.24 km) |
| Alpena to Conneaut (Ohio) | 260.68 mi (419.53 km) |
| Alpena to Connersville (Indiana) | 384.11 mi (618.17 km) |
| Alpena to Conroe (Texas) | 1,210.27 mi (1,947.73 km) |
| Alpena to Converse (Texas) | 1,346.03 mi (2,166.23 km) |
| Alpena to Conway (Arkansas) | 838.53 mi (1,349.49 km) |
| Alpena to Conway (Florida) | 1,151.19 mi (1,852.66 km) |
| Alpena to Conway (South Carolina) | 810.52 mi (1,304.41 km) |
| Alpena to Conyers (Georgia) | 788.87 mi (1,269.56 km) |
