| Llantrisant to Petersburg (Virginia) | 3,621.75 mi (5,828.64 km) |
| Llantrisant to Pflugerville (Texas) | 4,771.77 mi (7,679.41 km) |
| Llantrisant to Pharr (Texas) | 5,018.49 mi (8,076.47 km) |
| Llantrisant to Phelan (California) | 5,287.44 mi (8,509.31 km) |
| Llantrisant to Phenix City (Alabama) | 4,161.73 mi (6,697.65 km) |
| Llantrisant to Philadelphia (Pennsylvania) | 3,404.00 mi (5,478.20 km) |
| Llantrisant to Phillipsburg (New Jersey) | 3,376.62 mi (5,434.15 km) |
| Llantrisant to Phoenix (Arizona) | 5,149.40 mi (8,287.16 km) |
| Llantrisant to Phoenixville (Pennsylvania) | 3,414.36 mi (5,494.89 km) |
| Llantrisant to Picayune (Mississippi) | 4,448.19 mi (7,158.67 km) |
| Llantrisant to Pickerington (Ohio) | 3,720.08 mi (5,986.89 km) |
| Llantrisant to Pico Rivera (California) | 5,331.45 mi (8,580.15 km) |
| Llantrisant to Piedmont (California) | 5,246.29 mi (8,443.09 km) |
| Llantrisant to Pierre (South Dakota) | 4,173.53 mi (6,716.64 km) |
| Llantrisant to Pike Creek Valley (Delaware) | 3,439.39 mi (5,535.16 km) |
