| Boise to Shelton (Connecticut) | 2,177.82 mi (3,504.86 km) |
| Boise to Shelton (Washington) | 416.76 mi (670.70 km) |
| Boise to Shenandoah (Louisiana) | 1,653.75 mi (2,661.45 km) |
| Boise to Shepherdsville (Kentucky) | 1,633.58 mi (2,629.00 km) |
| Boise to Sheridan (Wyoming) | 466.13 mi (750.16 km) |
| Boise to Sherman (Texas) | 1,258.16 mi (2,024.81 km) |
| Boise to Sherrelwood (Colorado) | 634.07 mi (1,020.43 km) |
| Boise to Sherwood (Arkansas) | 1,414.22 mi (2,275.97 km) |
| Boise to Sherwood (Oregon) | 347.74 mi (559.63 km) |
| Boise to Shiloh (Illinois) | 1,407.74 mi (2,265.55 km) |
| Boise to Shiloh (Ohio) | 1,660.60 mi (2,672.48 km) |
| Boise to Shiloh (Pennsylvania) | 2,027.95 mi (3,263.67 km) |
| Boise to Shirley (New York) | 2,202.47 mi (3,544.53 km) |
| Boise to Shively (Kentucky) | 1,622.06 mi (2,610.46 km) |
| Boise to Shoreline (Washington) | 411.46 mi (662.19 km) |
