| Williamstown to Prichard (Alabama) | 962.63 mi (1,549.21 km) |
| Williamstown to Princeton (Florida) | 1,026.57 mi (1,652.10 km) |
| Williamstown to Princeton (New Jersey) | 49.02 mi (78.89 km) |
| Williamstown to Princeton (Texas) | 1,274.41 mi (2,050.96 km) |
| Williamstown to Princeton Meadows (New Jersey) | 49.79 mi (80.13 km) |
| Williamstown to Prineville (Oregon) | 2,346.57 mi (3,776.44 km) |
| Williamstown to Prior Lake (Minnesota) | 1,004.27 mi (1,616.22 km) |
| Williamstown to Progress (Pennsylvania) | 106.94 mi (172.11 km) |
| Williamstown to Prospect Heights (Illinois) | 695.80 mi (1,119.78 km) |
| Williamstown to Prosper (Texas) | 1,288.22 mi (2,073.19 km) |
| Williamstown to Providence (Rhode Island) | 237.63 mi (382.44 km) |
| Williamstown to Provo (Utah) | 1,928.07 mi (3,102.93 km) |
| Williamstown to Prunedale (California) | 2,512.05 mi (4,042.75 km) |
| Williamstown to Pueblo (Colorado) | 1,587.41 mi (2,554.68 km) |
| Williamstown to Pueblo West (Colorado) | 1,592.22 mi (2,562.43 km) |
