| Rhondda to Seymour (Tennessee) | 3,942.57 mi (6,344.95 km) |
| Rhondda to Shady Hills (Florida) | 4,254.99 mi (6,847.74 km) |
| Rhondda to Shafter (California) | 5,279.21 mi (8,496.07 km) |
| Rhondda to Shaker Heights (Ohio) | 3,597.07 mi (5,788.93 km) |
| Rhondda to Shakopee (Minnesota) | 3,905.22 mi (6,284.84 km) |
| Rhondda to Sharon (Pennsylvania) | 3,565.65 mi (5,738.35 km) |
| Rhondda to Sharonville (Ohio) | 3,809.81 mi (6,131.30 km) |
| Rhondda to Shasta Lake (California) | 5,082.83 mi (8,180.02 km) |
| Rhondda to Shawnee (Kansas) | 4,228.45 mi (6,805.03 km) |
| Rhondda to Shawnee (Oklahoma) | 4,492.79 mi (7,230.45 km) |
| Rhondda to Sheboygan (Wisconsin) | 3,737.80 mi (6,015.40 km) |
| Rhondda to Shelby (North Carolina) | 3,879.09 mi (6,242.79 km) |
| Rhondda to Shelbyville (Indiana) | 3,852.82 mi (6,200.52 km) |
| Rhondda to Shelbyville (Kentucky) | 3,892.48 mi (6,264.34 km) |
| Rhondda to Shelbyville (Tennessee) | 4,069.81 mi (6,549.73 km) |
