| Boise to Salisbury (New York) | 2,169.81 mi (3,491.97 km) |
| Boise to Salisbury (North Carolina) | 1,962.43 mi (3,158.23 km) |
| Boise to Salmon Creek (Washington) | 347.99 mi (560.03 km) |
| Boise to Salt Lake City (Utah) | 294.02 mi (473.18 km) |
| Boise to Sammamish (Washington) | 393.91 mi (633.94 km) |
| Boise to San Angelo (Texas) | 1,201.64 mi (1,933.85 km) |
| Boise to San Anselmo (California) | 510.22 mi (821.11 km) |
| Boise to San Antonio (Texas) | 1,380.13 mi (2,221.11 km) |
| Boise to San Benito (Texas) | 1,594.66 mi (2,566.36 km) |
| Boise to San Bernardino (California) | 656.03 mi (1,055.78 km) |
| Boise to San Bruno (California) | 525.21 mi (845.24 km) |
| Boise to San Buenaventura (California) | 664.13 mi (1,068.82 km) |
| Boise to San Carlos (California) | 527.14 mi (848.35 km) |
| Boise to San Carlos Park (Florida) | 2,254.06 mi (3,627.55 km) |
| Boise to San Clemente (California) | 705.26 mi (1,135.01 km) |
