| Alpena to Port Chester (New York) | 567.38 mi (913.11 km) |
| Alpena to Port Hueneme (California) | 2,027.15 mi (3,262.38 km) |
| Alpena to Port Huron (Michigan) | 152.85 mi (246.00 km) |
| Alpena to Port Lavaca (Texas) | 1,346.75 mi (2,167.38 km) |
| Alpena to Port Neches (Texas) | 1,189.06 mi (1,913.61 km) |
| Alpena to Port Orange (Florida) | 1,111.04 mi (1,788.05 km) |
| Alpena to Port Orchard (Washington) | 1,859.97 mi (2,993.33 km) |
| Alpena to Port Royal (South Carolina) | 890.91 mi (1,433.77 km) |
| Alpena to Port Salerno (Florida) | 1,251.64 mi (2,014.31 km) |
| Alpena to Port St. John (Florida) | 1,155.86 mi (1,860.17 km) |
| Alpena to Port St. Lucie (Florida) | 1,240.95 mi (1,997.12 km) |
| Alpena to Port Washington (New York) | 573.80 mi (923.45 km) |
| Alpena to Port Washington (Wisconsin) | 249.07 mi (400.84 km) |
| Alpena to Port Wentworth (Georgia) | 897.93 mi (1,445.08 km) |
| Alpena to Portage (Indiana) | 305.57 mi (491.76 km) |
