| Boston to Sentrupert | 830.37 mi (1,336.34 km) |
| Boston to Sevnica | 836.69 mi (1,346.52 km) |
| Boston to Sezana | 799.84 mi (1,287.22 km) |
| Boston to Skocjan | 840.85 mi (1,353.22 km) |
| Boston to Skofja Loka | 793.36 mi (1,276.79 km) |
| Boston to Skofljica | 811.57 mi (1,306.10 km) |
| Boston to Slovenj Gradec | 806.28 mi (1,297.58 km) |
| Boston to Slovenska Bistrica | 829.79 mi (1,335.43 km) |
| Boston to Slovenske Konjice | 826.45 mi (1,330.04 km) |
| Boston to Smarje | 834.79 mi (1,343.46 km) |
| Boston to Smarjeske Toplice | 840.35 mi (1,352.41 km) |
| Boston to Smartno | 818.52 mi (1,317.29 km) |
| Boston to Smartno | 812.46 mi (1,307.53 km) |
| Boston to Sodrazica | 824.01 mi (1,326.12 km) |
| Boston to Solcava | 796.00 mi (1,281.04 km) |
