| Waltham to Platteville (Wisconsin) | 976.63 mi (1,571.73 km) |
| Waltham to Plattsburgh (New York) | 194.11 mi (312.39 km) |
| Waltham to Pleasant Grove (Utah) | 2,084.31 mi (3,354.37 km) |
| Waltham to Pleasant Hill (California) | 2,661.15 mi (4,282.70 km) |
| Waltham to Pleasant Hill (Iowa) | 1,140.91 mi (1,836.11 km) |
| Waltham to Pleasant Prairie (Wisconsin) | 847.28 mi (1,363.57 km) |
| Waltham to Pleasant View (Utah) | 2,078.51 mi (3,345.05 km) |
| Waltham to Pleasanton (California) | 2,659.20 mi (4,279.57 km) |
| Waltham to Pleasanton (Texas) | 1,776.94 mi (2,859.71 km) |
| Waltham to Pleasantville (New Jersey) | 268.63 mi (432.32 km) |
| Waltham to Plover (Wisconsin) | 927.19 mi (1,492.16 km) |
| Waltham to Plum (Pennsylvania) | 459.24 mi (739.08 km) |
| Waltham to Plymouth (Indiana) | 778.01 mi (1,252.08 km) |
| Waltham to Plymouth (Minnesota) | 1,120.96 mi (1,804.01 km) |
| Waltham to Pocatello (Idaho) | 2,074.50 mi (3,338.59 km) |
