| Llantwit Major to Shelton (Connecticut) | 3,264.86 mi (5,254.28 km) |
| Llantwit Major to Shelton (Washington) | 4,742.96 mi (7,633.06 km) |
| Llantwit Major to Shenandoah (Louisiana) | 4,507.96 mi (7,254.86 km) |
| Llantwit Major to Shepherdsville (Kentucky) | 3,924.78 mi (6,316.33 km) |
| Llantwit Major to Sheridan (Wyoming) | 4,381.92 mi (7,052.03 km) |
| Llantwit Major to Sherman (Texas) | 4,570.63 mi (7,355.72 km) |
| Llantwit Major to Sherrelwood (Colorado) | 4,567.67 mi (7,350.96 km) |
| Llantwit Major to Sherwood (Arkansas) | 4,335.06 mi (6,976.61 km) |
| Llantwit Major to Sherwood (Oregon) | 4,840.12 mi (7,789.43 km) |
| Llantwit Major to Shiloh (Illinois) | 4,065.58 mi (6,542.92 km) |
| Llantwit Major to Shiloh (Ohio) | 3,781.47 mi (6,085.69 km) |
| Llantwit Major to Shiloh (Pennsylvania) | 3,472.40 mi (5,588.29 km) |
| Llantwit Major to Shirley (New York) | 3,275.43 mi (5,271.30 km) |
| Llantwit Major to Shively (Kentucky) | 3,919.28 mi (6,307.47 km) |
| Llantwit Major to Shoreline (Washington) | 4,691.80 mi (7,550.72 km) |
