| Boise to South Plainfield (New Jersey) | 2,131.58 mi (3,430.44 km) |
| Boise to South Portland (Maine) | 2,267.91 mi (3,649.85 km) |
| Boise to South Riding (Virginia) | 2,018.34 mi (3,248.20 km) |
| Boise to South River (New Jersey) | 2,136.43 mi (3,438.25 km) |
| Boise to South Salt Lake (Utah) | 298.66 mi (480.65 km) |
| Boise to South San Francisco (California) | 523.26 mi (842.10 km) |
| Boise to South San Jose Hills (California) | 668.54 mi (1,075.91 km) |
| Boise to South Sioux City (Nebraska) | 1,001.63 mi (1,611.97 km) |
| Boise to South St. Paul (Minnesota) | 1,147.33 mi (1,846.45 km) |
| Boise to South Valley (New Mexico) | 781.84 mi (1,258.24 km) |
| Boise to South Venice (Florida) | 2,200.61 mi (3,541.55 km) |
| Boise to South Whittier (California) | 674.87 mi (1,086.11 km) |
| Boise to South Yarmouth (Massachusetts) | 2,313.43 mi (3,723.11 km) |
| Boise to Southaven (Mississippi) | 1,517.70 mi (2,442.50 km) |
| Boise to Southchase (Florida) | 2,191.02 mi (3,526.10 km) |
