| Boise to Solymar | 5,570.72 mi (8,965.20 km) |
| Boise to Sopron | 5,507.46 mi (8,863.40 km) |
| Boise to Szarvas | 5,652.51 mi (9,096.84 km) |
| Boise to Szazhalombatta | 5,587.52 mi (8,992.25 km) |
| Boise to Szeged | 5,679.38 mi (9,140.08 km) |
| Boise to Szeghalom | 5,657.37 mi (9,104.66 km) |
| Boise to Szekesfehervar | 5,581.41 mi (8,982.41 km) |
| Boise to Szekszard | 5,638.21 mi (9,073.83 km) |
| Boise to Szentendre | 5,567.37 mi (8,959.81 km) |
| Boise to Szentes | 5,658.46 mi (9,106.41 km) |
| Boise to Szentgotthard | 5,542.54 mi (8,919.85 km) |
| Boise to Szigethalom | 5,588.92 mi (8,994.50 km) |
| Boise to Szigetszentmiklos | 5,588.11 mi (8,993.19 km) |
| Boise to Szigetvar | 5,633.80 mi (9,066.73 km) |
| Boise to Szolnok | 5,625.75 mi (9,053.77 km) |
