| Boise to Sugar Hill (Georgia) | 1,837.26 mi (2,956.78 km) |
| Boise to Sugar Land (Texas) | 1,489.77 mi (2,397.55 km) |
| Boise to Sugarland Run (Virginia) | 2,022.12 mi (3,254.29 km) |
| Boise to Sugarmill Woods (Florida) | 2,123.02 mi (3,416.68 km) |
| Boise to Suisun City (California) | 477.03 mi (767.70 km) |
| Boise to Suitland (Maryland) | 2,049.43 mi (3,298.23 km) |
| Boise to Sulphur (Louisiana) | 1,556.61 mi (2,505.12 km) |
| Boise to Sulphur Springs (Texas) | 1,324.54 mi (2,131.64 km) |
| Boise to Summerfield (Maryland) | 2,050.73 mi (3,300.34 km) |
| Boise to Summerfield (North Carolina) | 1,975.42 mi (3,179.12 km) |
| Boise to Summerlin South (Nevada) | 518.75 mi (834.84 km) |
| Boise to Summerville (South Carolina) | 2,067.99 mi (3,328.10 km) |
| Boise to Summit (Illinois) | 1,441.40 mi (2,319.71 km) |
| Boise to Summit (New Jersey) | 2,130.82 mi (3,429.22 km) |
| Boise to Sumner (Washington) | 383.58 mi (617.31 km) |
