| Holyhead to Plattsburgh (New York) | 3,051.05 mi (4,910.19 km) |
| Holyhead to Pleasant Grove (Utah) | 4,651.75 mi (7,486.28 km) |
| Holyhead to Pleasant Hill (California) | 5,111.23 mi (8,225.73 km) |
| Holyhead to Pleasant Hill (Iowa) | 3,954.92 mi (6,364.83 km) |
| Holyhead to Pleasant Prairie (Wisconsin) | 3,701.94 mi (5,957.70 km) |
| Holyhead to Pleasant View (Utah) | 4,608.49 mi (7,416.65 km) |
| Holyhead to Pleasanton (California) | 5,121.91 mi (8,242.92 km) |
| Holyhead to Pleasanton (Texas) | 4,789.76 mi (7,708.37 km) |
| Holyhead to Pleasantville (New Jersey) | 3,324.21 mi (5,349.80 km) |
| Holyhead to Plover (Wisconsin) | 3,673.29 mi (5,911.59 km) |
| Holyhead to Plum (Pennsylvania) | 3,481.94 mi (5,603.65 km) |
| Holyhead to Plymouth (Indiana) | 3,697.57 mi (5,950.66 km) |
| Holyhead to Plymouth (Minnesota) | 3,789.07 mi (6,097.92 km) |
| Holyhead to Pocatello (Idaho) | 4,539.60 mi (7,305.78 km) |
| Holyhead to Poinciana (Florida) | 4,155.42 mi (6,687.50 km) |
