| Williamstown to Secaucus (New Jersey) | 89.59 mi (144.18 km) |
| Williamstown to Security-Widefield (Colorado) | 1,585.76 mi (2,552.03 km) |
| Williamstown to Sedalia (Missouri) | 978.16 mi (1,574.20 km) |
| Williamstown to Sedro-Woolley (Washington) | 2,381.84 mi (3,833.21 km) |
| Williamstown to Seguin (Texas) | 1,475.27 mi (2,374.22 km) |
| Williamstown to Selden (New York) | 130.62 mi (210.21 km) |
| Williamstown to Selma (Alabama) | 838.86 mi (1,350.01 km) |
| Williamstown to Selma (California) | 2,410.50 mi (3,879.33 km) |
| Williamstown to Selma (Texas) | 1,492.54 mi (2,402.01 km) |
| Williamstown to Seminole (Florida) | 932.15 mi (1,500.14 km) |
| Williamstown to Seven Hills (Ohio) | 370.40 mi (596.10 km) |
| Williamstown to Seven Oaks (South Carolina) | 517.38 mi (832.65 km) |
| Williamstown to Severn (Maryland) | 99.27 mi (159.76 km) |
| Williamstown to Severna Park (Maryland) | 94.50 mi (152.09 km) |
| Williamstown to Sevierville (Tennessee) | 537.15 mi (864.45 km) |
