| Boise to Storm Lake (Iowa) | 1,060.03 mi (1,705.96 km) |
| Boise to Storrs (Connecticut) | 2,210.21 mi (3,557.00 km) |
| Boise to Stoughton (Wisconsin) | 1,353.74 mi (2,178.64 km) |
| Boise to Stow (Ohio) | 1,770.56 mi (2,849.45 km) |
| Boise to Streamwood (Illinois) | 1,419.32 mi (2,284.18 km) |
| Boise to Streator (Illinois) | 1,402.87 mi (2,257.70 km) |
| Boise to Streetsboro (Ohio) | 1,773.69 mi (2,854.48 km) |
| Boise to Strongsville (Ohio) | 1,748.09 mi (2,813.28 km) |
| Boise to Stuart (Florida) | 2,296.77 mi (3,696.29 km) |
| Boise to Stuarts Draft (Virginia) | 1,965.93 mi (3,163.86 km) |
| Boise to Sturgis (Michigan) | 1,560.54 mi (2,511.44 km) |
| Boise to Suamico (Wisconsin) | 1,391.81 mi (2,239.90 km) |
| Boise to Sudley (Virginia) | 2,022.40 mi (3,254.74 km) |
| Boise to Suffern (New York) | 2,132.74 mi (3,432.31 km) |
| Boise to Suffolk (Virginia) | 2,123.49 mi (3,417.43 km) |
