| Rhondda to South Fulton (Georgia) | 4,083.48 mi (6,571.72 km) |
| Rhondda to South Gate (California) | 5,332.80 mi (8,582.32 km) |
| Rhondda to South Hill (Washington) | 4,716.25 mi (7,590.07 km) |
| Rhondda to South Holland (Illinois) | 3,829.64 mi (6,163.21 km) |
| Rhondda to South Houston (Texas) | 4,714.33 mi (7,586.99 km) |
| Rhondda to South Huntington (New York) | 3,294.04 mi (5,301.25 km) |
| Rhondda to South Jordan (Utah) | 4,762.61 mi (7,664.68 km) |
| Rhondda to South Lake Tahoe (California) | 5,108.67 mi (8,221.61 km) |
| Rhondda to South Laurel (Maryland) | 3,512.85 mi (5,653.39 km) |
| Rhondda to South Lyon (Michigan) | 3,636.80 mi (5,852.86 km) |
| Rhondda to South Miami (Florida) | 4,294.66 mi (6,911.59 km) |
| Rhondda to South Miami Heights (Florida) | 4,304.55 mi (6,927.50 km) |
| Rhondda to South Milwaukee (Wisconsin) | 3,780.00 mi (6,083.32 km) |
| Rhondda to South Ogden (Utah) | 4,728.98 mi (7,610.55 km) |
| Rhondda to South Pasadena (California) | 5,322.30 mi (8,565.41 km) |
