| Boston to Security-Widefield (Colorado) | 4,672.79 mi (7,520.12 km) |
| Boston to Sedalia (Missouri) | 4,268.40 mi (6,869.32 km) |
| Boston to Sedro-Woolley (Washington) | 4,652.15 mi (7,486.91 km) |
| Boston to Seguin (Texas) | 4,921.30 mi (7,920.07 km) |
| Boston to Selden (New York) | 3,389.24 mi (5,454.45 km) |
| Boston to Selma (Alabama) | 4,350.72 mi (7,001.81 km) |
| Boston to Selma (California) | 5,271.74 mi (8,484.04 km) |
| Boston to Selma (Texas) | 4,934.50 mi (7,941.31 km) |
| Boston to Seminole (Florida) | 4,414.96 mi (7,105.20 km) |
| Boston to Seven Hills (Ohio) | 3,703.70 mi (5,960.52 km) |
| Boston to Seven Oaks (South Carolina) | 4,035.03 mi (6,493.76 km) |
| Boston to Severn (Maryland) | 3,613.47 mi (5,815.32 km) |
| Boston to Severna Park (Maryland) | 3,610.69 mi (5,810.84 km) |
| Boston to Sevierville (Tennessee) | 4,040.43 mi (6,502.44 km) |
| Boston to Seymour (Indiana) | 3,980.89 mi (6,406.62 km) |
