| Middlesex to Plattsburgh (New York) | 289.62 mi (466.09 km) |
| Middlesex to Pleasant Grove (Utah) | 1,942.55 mi (3,126.23 km) |
| Middlesex to Pleasant Hill (California) | 2,520.41 mi (4,056.20 km) |
| Middlesex to Pleasant Hill (Iowa) | 989.71 mi (1,592.79 km) |
| Middlesex to Pleasant Prairie (Wisconsin) | 704.51 mi (1,133.79 km) |
| Middlesex to Pleasant View (Utah) | 1,942.25 mi (3,125.75 km) |
| Middlesex to Pleasanton (California) | 2,517.02 mi (4,050.75 km) |
| Middlesex to Pleasanton (Texas) | 1,572.79 mi (2,531.17 km) |
| Middlesex to Pleasantville (New Jersey) | 81.84 mi (131.71 km) |
| Middlesex to Plover (Wisconsin) | 810.08 mi (1,303.69 km) |
| Middlesex to Plum (Pennsylvania) | 275.59 mi (443.52 km) |
| Middlesex to Plymouth (Indiana) | 618.42 mi (995.26 km) |
| Middlesex to Plymouth (Minnesota) | 1,006.42 mi (1,619.68 km) |
| Middlesex to Pocatello (Idaho) | 1,947.56 mi (3,134.30 km) |
| Middlesex to Poinciana (Florida) | 947.26 mi (1,524.47 km) |
