| Swansea to Petaluma (California) | 1,758.25 mi (2,829.63 km) |
| Swansea to Petersburg (Virginia) | 692.58 mi (1,114.59 km) |
| Swansea to Pflugerville (Texas) | 707.37 mi (1,138.40 km) |
| Swansea to Pharr (Texas) | 979.36 mi (1,576.12 km) |
| Swansea to Phelan (California) | 1,549.74 mi (2,494.06 km) |
| Swansea to Phenix City (Alabama) | 504.80 mi (812.40 km) |
| Swansea to Philadelphia (Pennsylvania) | 799.73 mi (1,287.04 km) |
| Swansea to Phillipsburg (New Jersey) | 800.60 mi (1,288.44 km) |
| Swansea to Phoenix (Arizona) | 1,278.04 mi (2,056.80 km) |
| Swansea to Phoenixville (Pennsylvania) | 779.79 mi (1,254.95 km) |
| Swansea to Picayune (Mississippi) | 554.31 mi (892.08 km) |
| Swansea to Pickerington (Ohio) | 397.15 mi (639.16 km) |
| Swansea to Pico Rivera (California) | 1,590.36 mi (2,559.43 km) |
| Swansea to Piedmont (California) | 1,742.80 mi (2,804.77 km) |
| Swansea to Pierre (South Dakota) | 668.66 mi (1,076.10 km) |
