| Alpena to Sugar Hill (Georgia) | 758.38 mi (1,220.49 km) |
| Alpena to Sugar Land (Texas) | 1,258.88 mi (2,025.97 km) |
| Alpena to Sugarland Run (Virginia) | 520.36 mi (837.44 km) |
| Alpena to Sugarmill Woods (Florida) | 1,130.44 mi (1,819.26 km) |
| Alpena to Suisun City (California) | 2,025.58 mi (3,259.85 km) |
| Alpena to Suitland (Maryland) | 544.68 mi (876.58 km) |
| Alpena to Sulphur (Louisiana) | 1,158.23 mi (1,863.99 km) |
| Alpena to Sulphur Springs (Texas) | 1,048.94 mi (1,688.11 km) |
| Alpena to Summerfield (Maryland) | 543.34 mi (874.42 km) |
| Alpena to Summerfield (North Carolina) | 640.62 mi (1,030.98 km) |
| Alpena to Summerlin South (Nevada) | 1,769.85 mi (2,848.30 km) |
| Alpena to Summerville (South Carolina) | 852.08 mi (1,371.28 km) |
| Alpena to Summit (Illinois) | 315.71 mi (508.09 km) |
| Alpena to Summit (New Jersey) | 548.78 mi (883.17 km) |
| Alpena to Sumner (Washington) | 1,843.72 mi (2,967.17 km) |
