| Williamstown to Somerset (New Jersey) | 62.08 mi (99.91 km) |
| Williamstown to Somersworth (New Hampshire) | 324.89 mi (522.85 km) |
| Williamstown to Somerton (Arizona) | 2,250.53 mi (3,621.87 km) |
| Williamstown to Somerville (Massachusetts) | 275.11 mi (442.75 km) |
| Williamstown to Somerville (New Jersey) | 64.00 mi (103.00 km) |
| Williamstown to Sonoma (California) | 2,521.58 mi (4,058.09 km) |
| Williamstown to Soquel (California) | 2,523.00 mi (4,060.38 km) |
| Williamstown to South Bend (Indiana) | 606.87 mi (976.66 km) |
| Williamstown to South Bradenton (Florida) | 950.48 mi (1,529.65 km) |
| Williamstown to South Burlington (Vermont) | 341.99 mi (550.37 km) |
| Williamstown to South Charleston (West Virginia) | 373.31 mi (600.78 km) |
| Williamstown to South Daytona (Florida) | 803.52 mi (1,293.14 km) |
| Williamstown to South El Monte (California) | 2,389.20 mi (3,845.04 km) |
| Williamstown to South Elgin (Illinois) | 714.18 mi (1,149.36 km) |
| Williamstown to South Euclid (Ohio) | 365.95 mi (588.94 km) |
