| Boise to St. Simons (Georgia) | 2,076.98 mi (3,342.58 km) |
| Boise to Stafford (Texas) | 1,491.03 mi (2,399.59 km) |
| Boise to Stallings (North Carolina) | 1,971.87 mi (3,173.42 km) |
| Boise to Stamford (Connecticut) | 2,161.70 mi (3,478.92 km) |
| Boise to Stanford (California) | 528.16 mi (850.00 km) |
| Boise to Stanton (California) | 683.72 mi (1,100.34 km) |
| Boise to Star (Idaho) | 14.82 mi (23.84 km) |
| Boise to Starkville (Mississippi) | 1,628.25 mi (2,620.42 km) |
| Boise to State College (Pennsylvania) | 1,956.33 mi (3,148.41 km) |
| Boise to Staten Island (New York) | 2,144.50 mi (3,451.24 km) |
| Boise to Statesboro (Georgia) | 2,009.92 mi (3,234.66 km) |
| Boise to Statesville (North Carolina) | 1,939.69 mi (3,121.63 km) |
| Boise to Staunton (Virginia) | 1,960.84 mi (3,155.66 km) |
| Boise to Steamboat Springs (Colorado) | 528.31 mi (850.24 km) |
| Boise to Steiner Ranch (Texas) | 1,358.21 mi (2,185.83 km) |
