| Llanelli to Pell City (Alabama) | 4,123.98 mi (6,636.90 km) |
| Llanelli to Pella (Iowa) | 4,011.62 mi (6,456.08 km) |
| Llanelli to Pembroke Pines (Florida) | 4,248.84 mi (6,837.84 km) |
| Llanelli to Pendleton (Oregon) | 4,672.83 mi (7,520.19 km) |
| Llanelli to Pensacola (Florida) | 4,315.40 mi (6,944.96 km) |
| Llanelli to Peoria (Arizona) | 5,111.85 mi (8,226.73 km) |
| Llanelli to Peoria (Illinois) | 3,915.72 mi (6,301.74 km) |
| Llanelli to Perris (California) | 5,281.25 mi (8,499.34 km) |
| Llanelli to Perry (Georgia) | 4,072.16 mi (6,553.51 km) |
| Llanelli to Perry Hall (Maryland) | 3,450.41 mi (5,552.90 km) |
| Llanelli to Perrysburg (Ohio) | 3,646.01 mi (5,867.68 km) |
| Llanelli to Perth Amboy (New Jersey) | 3,311.20 mi (5,328.87 km) |
| Llanelli to Peru (Indiana) | 3,777.15 mi (6,078.74 km) |
| Llanelli to Petal (Mississippi) | 4,354.38 mi (7,007.70 km) |
| Llanelli to Petaluma (California) | 5,203.45 mi (8,374.14 km) |
