| Swansea to Owosso (Michigan) | 431.91 mi (695.09 km) |
| Swansea to Oxford (Alabama) | 412.23 mi (663.42 km) |
| Swansea to Oxford (Mississippi) | 290.45 mi (467.44 km) |
| Swansea to Oxford (Ohio) | 288.91 mi (464.96 km) |
| Swansea to Oxnard (California) | 1,644.65 mi (2,646.80 km) |
| Swansea to Oxon Hill (Maryland) | 701.60 mi (1,129.11 km) |
| Swansea to Ozark (Alabama) | 548.40 mi (882.56 km) |
| Swansea to Ozark (Missouri) | 205.03 mi (329.97 km) |
| Swansea to Pace (Florida) | 570.93 mi (918.83 km) |
| Swansea to Pacific Grove (California) | 1,745.12 mi (2,808.50 km) |
| Swansea to Pacifica (California) | 1,759.10 mi (2,831.00 km) |
| Swansea to Paducah (Kentucky) | 125.76 mi (202.39 km) |
| Swansea to Pahrump (Nevada) | 1,432.20 mi (2,304.90 km) |
| Swansea to Painesville (Ohio) | 510.38 mi (821.37 km) |
| Swansea to Palatine (Illinois) | 266.85 mi (429.46 km) |
