| Rhondda to Sanford (Maine) | 3,078.49 mi (4,954.36 km) |
| Rhondda to Sanford (North Carolina) | 3,771.80 mi (6,070.12 km) |
| Rhondda to Sanger (California) | 5,221.74 mi (8,403.57 km) |
| Rhondda to Santa Ana (California) | 5,334.20 mi (8,584.56 km) |
| Rhondda to Santa Barbara (California) | 5,355.57 mi (8,618.95 km) |
| Rhondda to Santa Clara (California) | 5,259.53 mi (8,464.40 km) |
| Rhondda to Santa Clara (Oregon) | 4,909.39 mi (7,900.90 km) |
| Rhondda to Santa Clarita (California) | 5,316.17 mi (8,555.55 km) |
| Rhondda to Santa Cruz (California) | 5,283.65 mi (8,503.21 km) |
| Rhondda to Santa Fe (New Mexico) | 4,814.48 mi (7,748.15 km) |
| Rhondda to Santa Fe (Texas) | 4,723.18 mi (7,601.22 km) |
| Rhondda to Santa Fe Springs (California) | 5,329.15 mi (8,576.44 km) |
| Rhondda to Santa Maria (California) | 5,350.22 mi (8,610.34 km) |
| Rhondda to Santa Monica (California) | 5,337.90 mi (8,590.52 km) |
| Rhondda to Santa Paula (California) | 5,338.41 mi (8,591.34 km) |
