| Rhondda to Savannah (Georgia) | 4,019.72 mi (6,469.12 km) |
| Rhondda to Sayreville (New Jersey) | 3,347.68 mi (5,387.58 km) |
| Rhondda to Sayville (New York) | 3,284.49 mi (5,285.88 km) |
| Rhondda to Scaggsville (Maryland) | 3,510.84 mi (5,650.16 km) |
| Rhondda to Scarsdale (New York) | 3,302.80 mi (5,315.34 km) |
| Rhondda to Schaumburg (Illinois) | 3,828.49 mi (6,161.35 km) |
| Rhondda to Schenectady (New York) | 3,233.19 mi (5,203.32 km) |
| Rhondda to Schererville (Indiana) | 3,828.61 mi (6,161.56 km) |
| Rhondda to Schertz (Texas) | 4,839.83 mi (7,788.96 km) |
| Rhondda to Schiller Park (Illinois) | 3,823.50 mi (6,153.34 km) |
| Rhondda to Schofield Barracks (Hawaii) | 7,157.03 mi (11,518.12 km) |
| Rhondda to Scotchtown (New York) | 3,306.44 mi (5,321.19 km) |
| Rhondda to Scottdale (Georgia) | 4,062.36 mi (6,537.74 km) |
| Rhondda to Scotts Valley (California) | 5,278.56 mi (8,495.02 km) |
| Rhondda to Scottsbluff (Nebraska) | 4,410.67 mi (7,098.28 km) |
