| Llantrisant to Pell City (Alabama) | 4,159.17 mi (6,693.54 km) |
| Llantrisant to Pella (Iowa) | 4,046.05 mi (6,511.49 km) |
| Llantrisant to Pembroke Pines (Florida) | 4,283.60 mi (6,893.79 km) |
| Llantrisant to Pendleton (Oregon) | 4,703.10 mi (7,568.90 km) |
| Llantrisant to Pensacola (Florida) | 4,350.60 mi (7,001.61 km) |
| Llantrisant to Peoria (Arizona) | 5,145.17 mi (8,280.35 km) |
| Llantrisant to Peoria (Illinois) | 3,950.45 mi (6,357.63 km) |
| Llantrisant to Perris (California) | 5,313.83 mi (8,551.79 km) |
| Llantrisant to Perry (Georgia) | 4,107.35 mi (6,610.15 km) |
| Llantrisant to Perry Hall (Maryland) | 3,485.62 mi (5,609.56 km) |
| Llantrisant to Perrysburg (Ohio) | 3,680.98 mi (5,923.97 km) |
| Llantrisant to Perth Amboy (New Jersey) | 3,346.41 mi (5,385.52 km) |
| Llantrisant to Peru (Indiana) | 3,812.07 mi (6,134.93 km) |
| Llantrisant to Petal (Mississippi) | 4,389.58 mi (7,064.34 km) |
| Llantrisant to Petaluma (California) | 5,234.37 mi (8,423.91 km) |
