| Merthyr Tudful to North Myrtle Beach (South Carolina) | 3,830.09 mi (6,163.94 km) |
| Merthyr Tudful to North New Hyde Park (New York) | 3,308.69 mi (5,324.82 km) |
| Merthyr Tudful to North Ogden (Utah) | 4,717.17 mi (7,591.55 km) |
| Merthyr Tudful to North Olmsted (Ohio) | 3,612.74 mi (5,814.15 km) |
| Merthyr Tudful to North Palm Beach (Florida) | 4,229.10 mi (6,806.07 km) |
| Merthyr Tudful to North Plainfield (New Jersey) | 3,344.92 mi (5,383.13 km) |
| Merthyr Tudful to North Platte (Nebraska) | 4,341.68 mi (6,987.25 km) |
| Merthyr Tudful to North Port (Florida) | 4,307.77 mi (6,932.68 km) |
| Merthyr Tudful to North Potomac (Maryland) | 3,526.53 mi (5,675.40 km) |
| Merthyr Tudful to North Richland Hills (Texas) | 4,627.09 mi (7,446.57 km) |
| Merthyr Tudful to North Ridgeville (Ohio) | 3,618.05 mi (5,822.70 km) |
| Merthyr Tudful to North Royalton (Ohio) | 3,610.30 mi (5,810.22 km) |
| Merthyr Tudful to North Salt Lake (Utah) | 4,740.97 mi (7,629.85 km) |
| Merthyr Tudful to North St. Paul (Minnesota) | 3,873.61 mi (6,233.98 km) |
| Merthyr Tudful to North Tonawanda (New York) | 3,420.46 mi (5,504.69 km) |
