| Williamstown to San Luis (Arizona) | 2,254.12 mi (3,627.66 km) |
| Williamstown to San Luis Obispo (California) | 2,496.80 mi (4,018.21 km) |
| Williamstown to San Marcos (California) | 2,367.26 mi (3,809.73 km) |
| Williamstown to San Marcos (Texas) | 1,462.68 mi (2,353.95 km) |
| Williamstown to San Marino (California) | 2,390.73 mi (3,847.51 km) |
| Williamstown to San Mateo (California) | 2,529.65 mi (4,071.08 km) |
| Williamstown to San Pablo (California) | 2,522.39 mi (4,059.39 km) |
| Williamstown to San Rafael (California) | 2,531.11 mi (4,073.42 km) |
| Williamstown to San Ramon (California) | 2,505.59 mi (4,032.36 km) |
| Williamstown to San Tan Valley (Arizona) | 2,067.78 mi (3,327.78 km) |
| Williamstown to Sand Springs (Oklahoma) | 1,175.80 mi (1,892.27 km) |
| Williamstown to Sandusky (Ohio) | 423.05 mi (680.84 km) |
| Williamstown to Sandy (Oregon) | 2,404.15 mi (3,869.10 km) |
| Williamstown to Sandy (Utah) | 1,934.51 mi (3,113.30 km) |
| Williamstown to Sandy Springs (Georgia) | 653.42 mi (1,051.57 km) |
