| Llantwit Major to Petersburg (Virginia) | 3,620.01 mi (5,825.85 km) |
| Llantwit Major to Pflugerville (Texas) | 4,771.47 mi (7,678.94 km) |
| Llantwit Major to Pharr (Texas) | 5,017.73 mi (8,075.25 km) |
| Llantwit Major to Phelan (California) | 5,290.05 mi (8,513.51 km) |
| Llantwit Major to Phenix City (Alabama) | 4,160.16 mi (6,695.13 km) |
| Llantwit Major to Philadelphia (Pennsylvania) | 3,402.50 mi (5,475.79 km) |
| Llantwit Major to Phillipsburg (New Jersey) | 3,375.25 mi (5,431.94 km) |
| Llantwit Major to Phoenix (Arizona) | 5,151.26 mi (8,290.16 km) |
| Llantwit Major to Phoenixville (Pennsylvania) | 3,412.93 mi (5,492.58 km) |
| Llantwit Major to Picayune (Mississippi) | 4,446.92 mi (7,156.63 km) |
| Llantwit Major to Pickerington (Ohio) | 3,719.41 mi (5,985.81 km) |
| Llantwit Major to Pico Rivera (California) | 5,334.08 mi (8,584.38 km) |
| Llantwit Major to Piedmont (California) | 5,249.79 mi (8,448.72 km) |
| Llantwit Major to Pierre (South Dakota) | 4,175.44 mi (6,719.72 km) |
| Llantwit Major to Pike Creek Valley (Delaware) | 3,437.90 mi (5,532.76 km) |
