| Llantrisant to St. George (Utah) | 5,009.10 mi (8,061.37 km) |
| Llantrisant to St. Helens (Oregon) | 4,806.98 mi (7,736.09 km) |
| Llantrisant to St. James (New York) | 3,285.02 mi (5,286.72 km) |
| Llantrisant to St. John (Indiana) | 3,835.40 mi (6,172.48 km) |
| Llantrisant to St. Joseph (Missouri) | 4,196.79 mi (6,754.08 km) |
| Llantrisant to St. Louis (Missouri) | 4,074.62 mi (6,557.46 km) |
| Llantrisant to St. Louis Park (Minnesota) | 3,897.33 mi (6,272.15 km) |
| Llantrisant to St. Marys (Georgia) | 4,100.77 mi (6,599.55 km) |
| Llantrisant to St. Marys (Pennsylvania) | 3,480.24 mi (5,600.91 km) |
| Llantrisant to St. Matthews (Kentucky) | 3,910.41 mi (6,293.19 km) |
| Llantrisant to St. Michael (Minnesota) | 3,897.64 mi (6,272.64 km) |
| Llantrisant to St. Paul (Minnesota) | 3,887.84 mi (6,256.88 km) |
| Llantrisant to St. Peter (Minnesota) | 3,947.91 mi (6,353.55 km) |
| Llantrisant to St. Peters (Missouri) | 4,081.73 mi (6,568.92 km) |
| Llantrisant to St. Petersburg (Florida) | 4,293.19 mi (6,909.23 km) |
