| Llantrisant to South Plainfield (New Jersey) | 3,349.96 mi (5,391.24 km) |
| Llantrisant to South Portland (Maine) | 3,054.37 mi (4,915.53 km) |
| Llantrisant to South Riding (Virginia) | 3,550.12 mi (5,713.36 km) |
| Llantrisant to South River (New Jersey) | 3,353.97 mi (5,397.70 km) |
| Llantrisant to South Salt Lake (Utah) | 4,756.66 mi (7,655.10 km) |
| Llantrisant to South San Francisco (California) | 5,261.75 mi (8,467.96 km) |
| Llantrisant to South San Jose Hills (California) | 5,324.07 mi (8,568.27 km) |
| Llantrisant to South Sioux City (Nebraska) | 4,125.72 mi (6,639.71 km) |
| Llantrisant to South St. Paul (Minnesota) | 3,888.30 mi (6,257.62 km) |
| Llantrisant to South Valley (New Mexico) | 4,878.65 mi (7,851.43 km) |
| Llantrisant to South Venice (Florida) | 4,320.09 mi (6,952.51 km) |
| Llantrisant to South Whittier (California) | 5,332.72 mi (8,582.19 km) |
| Llantrisant to South Yarmouth (Massachusetts) | 3,129.71 mi (5,036.78 km) |
| Llantrisant to Southaven (Mississippi) | 4,241.83 mi (6,826.56 km) |
| Llantrisant to Southchase (Florida) | 4,210.11 mi (6,775.52 km) |
