| Rhondda to Shoreview (Minnesota) | 3,878.51 mi (6,241.86 km) |
| Rhondda to Shorewood (Illinois) | 3,857.05 mi (6,207.33 km) |
| Rhondda to Shorewood (Wisconsin) | 3,772.82 mi (6,071.77 km) |
| Rhondda to Short Hills (New Jersey) | 3,336.16 mi (5,369.02 km) |
| Rhondda to Short Pump (Virginia) | 3,607.73 mi (5,806.07 km) |
| Rhondda to Show Low (Arizona) | 5,034.68 mi (8,102.54 km) |
| Rhondda to Shreveport (Louisiana) | 4,514.20 mi (7,264.91 km) |
| Rhondda to Sicklerville (New Jersey) | 3,406.42 mi (5,482.11 km) |
| Rhondda to Sidney (Ohio) | 3,754.29 mi (6,041.95 km) |
| Rhondda to Sierra Madre (California) | 5,315.47 mi (8,554.42 km) |
| Rhondda to Sierra Vista (Arizona) | 5,191.42 mi (8,354.78 km) |
| Rhondda to Sierra Vista Southeast (Arizona) | 5,193.84 mi (8,358.68 km) |
| Rhondda to Signal Hill (California) | 5,339.98 mi (8,593.86 km) |
| Rhondda to Sikeston (Missouri) | 4,128.84 mi (6,644.73 km) |
| Rhondda to Siloam Springs (Arkansas) | 4,357.10 mi (7,012.08 km) |
