| Boston to Saint-Raphael | 729.33 mi (1,173.74 km) |
| Boston to Saint-Remy-de-Provence | 672.15 mi (1,081.71 km) |
| Boston to Saint-Saulve | 236.28 mi (380.26 km) |
| Boston to Saint-Sebastien-sur-Loire | 403.73 mi (649.74 km) |
| Boston to Saint-Sulpice-la-Pointe | 640.41 mi (1,030.64 km) |
| Boston to Saint-Vallier | 479.12 mi (771.07 km) |
| Boston to Sainte-Foy-les-Lyon | 545.22 mi (877.45 km) |
| Boston to Sainte-Genevieve-des-Bois | 316.87 mi (509.95 km) |
| Boston to Sainte-Luce-sur-Loire | 400.80 mi (645.03 km) |
| Boston to Sainte-Maxime | 734.23 mi (1,181.63 km) |
| Boston to Sainte-Savine | 369.11 mi (594.02 km) |
| Boston to Saintes | 500.13 mi (804.89 km) |
| Boston to Sallanches | 570.18 mi (917.62 km) |
| Boston to Sallaumines | 215.36 mi (346.59 km) |
| Boston to Salon-de-Provence | 686.00 mi (1,104.01 km) |
