| Swansea to San Luis (Arizona) | 1,446.88 mi (2,328.53 km) |
| Swansea to San Luis Obispo (California) | 1,702.27 mi (2,739.53 km) |
| Swansea to San Marcos (California) | 1,561.85 mi (2,513.56 km) |
| Swansea to San Marcos (Texas) | 751.49 mi (1,209.40 km) |
| Swansea to San Marino (California) | 1,588.63 mi (2,556.66 km) |
| Swansea to San Mateo (California) | 1,751.08 mi (2,818.09 km) |
| Swansea to San Pablo (California) | 1,746.86 mi (2,811.30 km) |
| Swansea to San Rafael (California) | 1,756.06 mi (2,826.11 km) |
| Swansea to San Ramon (California) | 1,727.96 mi (2,780.88 km) |
| Swansea to San Tan Valley (Arizona) | 1,260.45 mi (2,028.50 km) |
| Swansea to Sand Springs (Oklahoma) | 376.31 mi (605.62 km) |
| Swansea to Sandusky (Ohio) | 434.14 mi (698.68 km) |
| Swansea to Sandy (Oregon) | 1,711.64 mi (2,754.62 km) |
| Swansea to Sandy (Utah) | 1,169.96 mi (1,882.88 km) |
| Swansea to Sandy Springs (Georgia) | 446.53 mi (718.62 km) |
