| Longford to Pell City (Alabama) | 3,940.12 mi (6,341.00 km) |
| Longford to Pella (Iowa) | 3,812.73 mi (6,136.00 km) |
| Longford to Pembroke Pines (Florida) | 4,085.34 mi (6,574.71 km) |
| Longford to Pendleton (Oregon) | 4,465.43 mi (7,186.42 km) |
| Longford to Pensacola (Florida) | 4,134.74 mi (6,654.21 km) |
| Longford to Peoria (Arizona) | 4,907.19 mi (7,897.36 km) |
| Longford to Peoria (Illinois) | 3,719.78 mi (5,986.40 km) |
| Longford to Perris (California) | 5,074.88 mi (8,167.23 km) |
| Longford to Perry (Georgia) | 3,893.03 mi (6,265.22 km) |
| Longford to Perry Hall (Maryland) | 3,268.90 mi (5,260.79 km) |
| Longford to Perrysburg (Ohio) | 3,453.93 mi (5,558.57 km) |
| Longford to Perth Amboy (New Jersey) | 3,130.24 mi (5,037.63 km) |
| Longford to Peru (Indiana) | 3,584.01 mi (5,767.90 km) |
| Longford to Petal (Mississippi) | 4,169.99 mi (6,710.95 km) |
| Longford to Petaluma (California) | 4,995.88 mi (8,040.09 km) |
