| Merthyr Tudful to Hunters Creek (Florida) | 4,210.40 mi (6,775.99 km) |
| Merthyr Tudful to Huntersville (North Carolina) | 3,845.12 mi (6,188.12 km) |
| Merthyr Tudful to Huntington (Indiana) | 3,778.48 mi (6,080.87 km) |
| Merthyr Tudful to Huntington (Virginia) | 3,533.37 mi (5,686.41 km) |
| Merthyr Tudful to Huntington (West Virginia) | 3,769.12 mi (6,065.82 km) |
| Merthyr Tudful to Huntington Beach (California) | 5,336.25 mi (8,587.87 km) |
| Merthyr Tudful to Huntington Park (California) | 5,327.34 mi (8,573.52 km) |
| Merthyr Tudful to Huntington Station (New York) | 3,292.86 mi (5,299.34 km) |
| Merthyr Tudful to Huntley (Illinois) | 3,833.65 mi (6,169.66 km) |
| Merthyr Tudful to Huntsville (Alabama) | 4,114.81 mi (6,622.15 km) |
| Merthyr Tudful to Huntsville (Texas) | 4,672.42 mi (7,519.54 km) |
| Merthyr Tudful to Huron (South Dakota) | 4,091.67 mi (6,584.90 km) |
| Merthyr Tudful to Hurricane (Utah) | 4,988.90 mi (8,028.85 km) |
| Merthyr Tudful to Hurst (Texas) | 4,626.92 mi (7,446.32 km) |
| Merthyr Tudful to Hutchinson (Kansas) | 4,389.78 mi (7,064.67 km) |
