| Rhondda to Hanahan (South Carolina) | 3,927.01 mi (6,319.91 km) |
| Rhondda to Hanford (California) | 5,245.86 mi (8,442.39 km) |
| Rhondda to Hannibal (Missouri) | 4,064.30 mi (6,540.86 km) |
| Rhondda to Hanover (Pennsylvania) | 3,485.39 mi (5,609.19 km) |
| Rhondda to Hanover Park (Illinois) | 3,833.07 mi (6,168.72 km) |
| Rhondda to Happy Valley (Oregon) | 4,817.06 mi (7,752.31 km) |
| Rhondda to Harker Heights (Texas) | 4,738.50 mi (7,625.87 km) |
| Rhondda to Harlingen (Texas) | 4,993.95 mi (8,036.98 km) |
| Rhondda to Harper Woods (Michigan) | 3,609.35 mi (5,808.69 km) |
| Rhondda to Harrisburg (North Carolina) | 3,840.99 mi (6,181.48 km) |
| Rhondda to Harrisburg (Pennsylvania) | 3,461.06 mi (5,570.04 km) |
| Rhondda to Harrison (Arkansas) | 4,299.15 mi (6,918.81 km) |
| Rhondda to Harrison (New Jersey) | 3,328.79 mi (5,357.16 km) |
| Rhondda to Harrison (New York) | 3,299.00 mi (5,309.22 km) |
| Rhondda to Harrison (Ohio) | 3,826.08 mi (6,157.49 km) |
