| Llantwit Major to Seymour (Tennessee) | 3,944.67 mi (6,348.33 km) |
| Llantwit Major to Shady Hills (Florida) | 4,255.29 mi (6,848.23 km) |
| Llantwit Major to Shafter (California) | 5,286.86 mi (8,508.38 km) |
| Llantwit Major to Shaker Heights (Ohio) | 3,600.13 mi (5,793.84 km) |
| Llantwit Major to Shakopee (Minnesota) | 3,910.73 mi (6,293.72 km) |
| Llantwit Major to Sharon (Pennsylvania) | 3,568.48 mi (5,742.91 km) |
| Llantwit Major to Sharonville (Ohio) | 3,812.78 mi (6,136.08 km) |
| Llantwit Major to Shasta Lake (California) | 5,091.58 mi (8,194.11 km) |
| Llantwit Major to Shawnee (Kansas) | 4,232.97 mi (6,812.31 km) |
| Llantwit Major to Shawnee (Oklahoma) | 4,496.95 mi (7,237.15 km) |
| Llantwit Major to Sheboygan (Wisconsin) | 3,742.29 mi (6,022.63 km) |
| Llantwit Major to Shelby (North Carolina) | 3,880.68 mi (6,245.35 km) |
| Llantwit Major to Shelbyville (Indiana) | 3,856.07 mi (6,205.74 km) |
| Llantwit Major to Shelbyville (Kentucky) | 3,895.34 mi (6,268.94 km) |
| Llantwit Major to Shelbyville (Tennessee) | 4,072.28 mi (6,553.70 km) |
