| Boise to Somersworth (New Hampshire) | 2,246.60 mi (3,615.55 km) |
| Boise to Somerton (Arizona) | 764.52 mi (1,230.38 km) |
| Boise to Somerville (Massachusetts) | 2,253.78 mi (3,627.11 km) |
| Boise to Somerville (New Jersey) | 2,122.11 mi (3,415.21 km) |
| Boise to Sonoma (California) | 489.91 mi (788.43 km) |
| Boise to Soquel (California) | 546.39 mi (879.34 km) |
| Boise to South Bend (Indiana) | 1,520.36 mi (2,446.79 km) |
| Boise to South Bradenton (Florida) | 2,174.26 mi (3,499.14 km) |
| Boise to South Burlington (Vermont) | 2,112.46 mi (3,399.68 km) |
| Boise to South Charleston (West Virginia) | 1,823.15 mi (2,934.07 km) |
| Boise to South Daytona (Florida) | 2,176.42 mi (3,502.62 km) |
| Boise to South El Monte (California) | 667.09 mi (1,073.57 km) |
| Boise to South Elgin (Illinois) | 1,413.07 mi (2,274.12 km) |
| Boise to South Euclid (Ohio) | 1,759.15 mi (2,831.08 km) |
| Boise to South Farmingdale (New York) | 2,176.03 mi (3,501.99 km) |
