| Boston to Santa Venerina | 1,281.92 mi (2,063.05 km) |
| Boston to Santeramo in Colle | 1,150.26 mi (1,851.16 km) |
| Boston to Santo Stefano di Magra | 758.14 mi (1,220.12 km) |
| Boston to Santo Stino di Livenza | 757.80 mi (1,219.55 km) |
| Boston to Sarezzo | 682.85 mi (1,098.93 km) |
| Boston to Sarno | 1,083.46 mi (1,743.66 km) |
| Boston to Saronno | 650.39 mi (1,046.71 km) |
| Boston to Sarzana | 762.19 mi (1,226.63 km) |
| Boston to Sassari | 936.77 mi (1,507.58 km) |
| Boston to Sasso Marconi | 782.55 mi (1,259.39 km) |
| Boston to Sassuolo | 760.49 mi (1,223.90 km) |
| Boston to Sava | 1,197.72 mi (1,927.55 km) |
| Boston to Saviano | 1,074.81 mi (1,729.74 km) |
| Boston to Savigliano | 671.51 mi (1,080.70 km) |
| Boston to Savignano sul Panaro | 771.54 mi (1,241.68 km) |
