| Rhondda to Spout Springs (North Carolina) | 3,775.84 mi (6,076.63 km) |
| Rhondda to Spring (Texas) | 4,699.96 mi (7,563.86 km) |
| Rhondda to Spring Creek (Nevada) | 4,870.17 mi (7,837.79 km) |
| Rhondda to Spring Hill (Florida) | 4,250.52 mi (6,840.55 km) |
| Rhondda to Spring Hill (Tennessee) | 4,076.65 mi (6,560.74 km) |
| Rhondda to Spring Lake (North Carolina) | 3,778.42 mi (6,080.78 km) |
| Rhondda to Spring Valley (California) | 5,360.30 mi (8,626.56 km) |
| Rhondda to Spring Valley (Nevada) | 5,115.14 mi (8,232.02 km) |
| Rhondda to Spring Valley (New York) | 3,308.67 mi (5,324.78 km) |
| Rhondda to Springboro (Ohio) | 3,790.14 mi (6,099.65 km) |
| Rhondda to Springdale (Arkansas) | 4,342.28 mi (6,988.22 km) |
| Rhondda to Springdale (New Jersey) | 3,399.83 mi (5,471.50 km) |
| Rhondda to Springdale (Ohio) | 3,812.18 mi (6,135.11 km) |
| Rhondda to Springfield (Illinois) | 3,994.04 mi (6,427.79 km) |
| Rhondda to Springfield (Massachusetts) | 3,204.77 mi (5,157.58 km) |
