| Llantwit Major to Pell City (Alabama) | 4,157.92 mi (6,691.52 km) |
| Llantwit Major to Pella (Iowa) | 4,046.74 mi (6,512.60 km) |
| Llantwit Major to Pembroke Pines (Florida) | 4,280.54 mi (6,888.87 km) |
| Llantwit Major to Pendleton (Oregon) | 4,707.04 mi (7,575.26 km) |
| Llantwit Major to Pensacola (Florida) | 4,349.01 mi (6,999.05 km) |
| Llantwit Major to Peoria (Arizona) | 5,147.08 mi (8,283.42 km) |
| Llantwit Major to Peoria (Illinois) | 3,950.68 mi (6,358.00 km) |
| Llantwit Major to Perris (California) | 5,316.34 mi (8,555.82 km) |
| Llantwit Major to Perry (Georgia) | 4,105.63 mi (6,607.37 km) |
| Llantwit Major to Perry Hall (Maryland) | 3,484.16 mi (5,607.21 km) |
| Llantwit Major to Perrysburg (Ohio) | 3,680.69 mi (5,923.50 km) |
| Llantwit Major to Perth Amboy (New Jersey) | 3,344.90 mi (5,383.10 km) |
| Llantwit Major to Peru (Indiana) | 3,811.91 mi (6,134.68 km) |
| Llantwit Major to Petal (Mississippi) | 4,388.37 mi (7,062.39 km) |
| Llantwit Major to Petaluma (California) | 5,237.96 mi (8,429.68 km) |
