| Williamstown to Platteville (Wisconsin) | 830.78 mi (1,337.01 km) |
| Williamstown to Plattsburgh (New York) | 354.65 mi (570.75 km) |
| Williamstown to Pleasant Grove (Utah) | 1,931.38 mi (3,108.26 km) |
| Williamstown to Pleasant Hill (California) | 2,508.75 mi (4,037.44 km) |
| Williamstown to Pleasant Hill (Iowa) | 977.76 mi (1,573.55 km) |
| Williamstown to Pleasant Prairie (Wisconsin) | 699.38 mi (1,125.55 km) |
| Williamstown to Pleasant View (Utah) | 1,933.45 mi (3,111.59 km) |
| Williamstown to Pleasanton (California) | 2,504.74 mi (4,031.00 km) |
| Williamstown to Pleasanton (Texas) | 1,526.05 mi (2,455.95 km) |
| Williamstown to Pleasantville (New Jersey) | 32.05 mi (51.59 km) |
| Williamstown to Plover (Wisconsin) | 814.81 mi (1,311.31 km) |
| Williamstown to Plum (Pennsylvania) | 258.34 mi (415.76 km) |
| Williamstown to Plymouth (Indiana) | 606.12 mi (975.46 km) |
| Williamstown to Plymouth (Minnesota) | 1,010.31 mi (1,625.94 km) |
| Williamstown to Pocatello (Idaho) | 1,942.63 mi (3,126.36 km) |
