| Llantrisant to Pottsville (Pennsylvania) | 3,419.17 mi (5,502.62 km) |
| Llantrisant to Poughkeepsie (New York) | 3,282.23 mi (5,282.24 km) |
| Llantrisant to Poulsbo (Washington) | 4,696.23 mi (7,557.85 km) |
| Llantrisant to Poway (California) | 5,352.02 mi (8,613.24 km) |
| Llantrisant to Powder Springs (Georgia) | 4,079.46 mi (6,565.26 km) |
| Llantrisant to Powell (Ohio) | 3,720.08 mi (5,986.89 km) |
| Llantrisant to Powell (Tennessee) | 3,949.17 mi (6,355.57 km) |
| Llantrisant to Prairie Ridge (Washington) | 4,716.01 mi (7,589.68 km) |
| Llantrisant to Prairie Village (Kansas) | 4,227.29 mi (6,803.16 km) |
| Llantrisant to Prairieville (Louisiana) | 4,511.62 mi (7,260.75 km) |
| Llantrisant to Prattville (Alabama) | 4,220.70 mi (6,792.56 km) |
| Llantrisant to Preakness (New Jersey) | 3,326.61 mi (5,353.66 km) |
| Llantrisant to Prescott (Arizona) | 5,106.57 mi (8,218.23 km) |
| Llantrisant to Prescott Valley (Arizona) | 5,101.37 mi (8,209.86 km) |
| Llantrisant to Prichard (Alabama) | 4,372.81 mi (7,037.35 km) |
