| Llantwit Major to St. George (Utah) | 5,011.53 mi (8,065.28 km) |
| Llantwit Major to St. Helens (Oregon) | 4,811.35 mi (7,743.12 km) |
| Llantwit Major to St. James (New York) | 3,283.46 mi (5,284.21 km) |
| Llantwit Major to St. John (Indiana) | 3,835.51 mi (6,172.65 km) |
| Llantwit Major to St. Joseph (Missouri) | 4,197.44 mi (6,755.13 km) |
| Llantwit Major to St. Louis (Missouri) | 4,074.59 mi (6,557.42 km) |
| Llantwit Major to St. Louis Park (Minnesota) | 3,898.63 mi (6,274.23 km) |
| Llantwit Major to St. Marys (Georgia) | 4,098.53 mi (6,595.94 km) |
| Llantwit Major to St. Marys (Pennsylvania) | 3,479.38 mi (5,599.52 km) |
| Llantwit Major to St. Matthews (Kentucky) | 3,909.80 mi (6,292.21 km) |
| Llantwit Major to St. Michael (Minnesota) | 3,899.00 mi (6,274.84 km) |
| Llantwit Major to St. Paul (Minnesota) | 3,889.11 mi (6,258.92 km) |
| Llantwit Major to St. Peter (Minnesota) | 3,949.17 mi (6,355.57 km) |
| Llantwit Major to St. Peters (Missouri) | 4,081.77 mi (6,568.97 km) |
| Llantwit Major to St. Petersburg (Florida) | 4,290.67 mi (6,905.17 km) |
