| Rhondda to Springfield (Missouri) | 4,259.18 mi (6,854.49 km) |
| Rhondda to Springfield (Ohio) | 3,755.82 mi (6,044.41 km) |
| Rhondda to Springfield (Oregon) | 4,908.54 mi (7,899.54 km) |
| Rhondda to Springfield (Tennessee) | 4,039.10 mi (6,500.30 km) |
| Rhondda to Springfield (Virginia) | 3,539.19 mi (5,695.77 km) |
| Rhondda to Springville (Utah) | 4,771.79 mi (7,679.45 km) |
| Rhondda to St. Albans (West Virginia) | 3,747.05 mi (6,030.29 km) |
| Rhondda to St. Andrews (South Carolina) | 3,919.54 mi (6,307.89 km) |
| Rhondda to St. Ann (Missouri) | 4,072.07 mi (6,553.36 km) |
| Rhondda to St. Augustine (Florida) | 4,129.01 mi (6,645.00 km) |
| Rhondda to St. Charles (Illinois) | 3,842.33 mi (6,183.63 km) |
| Rhondda to St. Charles (Missouri) | 4,073.80 mi (6,556.15 km) |
| Rhondda to St. Clair Shores (Michigan) | 3,605.70 mi (5,802.81 km) |
| Rhondda to St. Cloud (Florida) | 4,209.78 mi (6,774.99 km) |
| Rhondda to St. Cloud (Minnesota) | 3,895.43 mi (6,269.09 km) |
