| Boise to San Luis Obispo (California) | 622.35 mi (1,001.58 km) |
| Boise to San Marcos (California) | 724.89 mi (1,166.59 km) |
| Boise to San Marcos (Texas) | 1,381.83 mi (2,223.84 km) |
| Boise to San Marino (California) | 662.61 mi (1,066.36 km) |
| Boise to San Mateo (California) | 525.50 mi (845.70 km) |
| Boise to San Pablo (California) | 503.65 mi (810.54 km) |
| Boise to San Rafael (California) | 508.14 mi (817.78 km) |
| Boise to San Ramon (California) | 501.80 mi (807.57 km) |
| Boise to San Tan Valley (Arizona) | 762.83 mi (1,227.65 km) |
| Boise to Sand Springs (Oklahoma) | 1,180.13 mi (1,899.24 km) |
| Boise to Sandusky (Ohio) | 1,702.17 mi (2,739.37 km) |
| Boise to Sandy (Oregon) | 322.39 mi (518.84 km) |
| Boise to Sandy (Utah) | 306.94 mi (493.97 km) |
| Boise to Sandy Springs (Georgia) | 1,827.82 mi (2,941.60 km) |
| Boise to Sanford (Florida) | 2,179.16 mi (3,507.02 km) |
