| Williamstown to Pawtucket (Rhode Island) | 241.61 mi (388.83 km) |
| Williamstown to Payson (Arizona) | 2,026.91 mi (3,262.00 km) |
| Williamstown to Payson (Utah) | 1,935.71 mi (3,115.23 km) |
| Williamstown to Peabody (Massachusetts) | 286.58 mi (461.20 km) |
| Williamstown to Peachtree City (Georgia) | 686.75 mi (1,105.22 km) |
| Williamstown to Peachtree Corners (Georgia) | 646.01 mi (1,039.65 km) |
| Williamstown to Pearl (Mississippi) | 986.13 mi (1,587.03 km) |
| Williamstown to Pearl City (Hawaii) | 4,926.28 mi (7,928.08 km) |
| Williamstown to Pearl River (New York) | 107.89 mi (173.64 km) |
| Williamstown to Pearland (Texas) | 1,347.08 mi (2,167.92 km) |
| Williamstown to Pebble Creek (Florida) | 900.68 mi (1,449.51 km) |
| Williamstown to Pecan Grove (Texas) | 1,364.27 mi (2,195.58 km) |
| Williamstown to Pecos (Texas) | 1,695.06 mi (2,727.94 km) |
| Williamstown to Peekskill (New York) | 123.75 mi (199.16 km) |
| Williamstown to Pekin (Illinois) | 775.26 mi (1,247.65 km) |
