| Boise to Santa Rosa (California) | 490.40 mi (789.23 km) |
| Boise to Santaquin (Utah) | 339.22 mi (545.92 km) |
| Boise to Santee (California) | 743.53 mi (1,196.60 km) |
| Boise to Sapulpa (Oklahoma) | 1,186.11 mi (1,908.85 km) |
| Boise to Saraland (Alabama) | 1,768.24 mi (2,845.70 km) |
| Boise to Sarasota (Florida) | 2,181.52 mi (3,510.82 km) |
| Boise to Sarasota Springs (Florida) | 2,186.08 mi (3,518.16 km) |
| Boise to Saratoga (California) | 532.89 mi (857.60 km) |
| Boise to Saratoga Springs (New York) | 2,110.25 mi (3,396.11 km) |
| Boise to Saratoga Springs (Utah) | 315.72 mi (508.10 km) |
| Boise to Sartell (Minnesota) | 1,088.09 mi (1,751.11 km) |
| Boise to Satellite Beach (Florida) | 2,237.36 mi (3,600.68 km) |
| Boise to Sauk Rapids (Minnesota) | 1,091.33 mi (1,756.33 km) |
| Boise to Sault Ste. Marie (Michigan) | 1,557.32 mi (2,506.26 km) |
| Boise to Savage (Minnesota) | 1,132.21 mi (1,822.11 km) |
