| Merthyr Tudful to Burlingame (California) | 5,254.20 mi (8,455.81 km) |
| Merthyr Tudful to Burlington (Iowa) | 3,999.59 mi (6,436.72 km) |
| Merthyr Tudful to Burlington (Kentucky) | 3,832.75 mi (6,168.22 km) |
| Merthyr Tudful to Burlington (North Carolina) | 3,755.87 mi (6,044.49 km) |
| Merthyr Tudful to Burlington (Vermont) | 3,135.45 mi (5,046.01 km) |
| Merthyr Tudful to Burlington (Wisconsin) | 3,804.00 mi (6,121.94 km) |
| Merthyr Tudful to Burnsville (Minnesota) | 3,895.29 mi (6,268.86 km) |
| Merthyr Tudful to Burr Ridge (Illinois) | 3,832.77 mi (6,168.25 km) |
| Merthyr Tudful to Burton (Michigan) | 3,609.80 mi (5,809.42 km) |
| Merthyr Tudful to Burtonsville (Maryland) | 3,513.21 mi (5,653.96 km) |
| Merthyr Tudful to Butler (Pennsylvania) | 3,556.32 mi (5,723.35 km) |
| Merthyr Tudful to Butte (Montana) | 4,495.27 mi (7,234.44 km) |
| Merthyr Tudful to Byram (Mississippi) | 4,385.76 mi (7,058.21 km) |
| Merthyr Tudful to Cabot (Arkansas) | 4,316.80 mi (6,947.22 km) |
| Merthyr Tudful to Cadillac (Michigan) | 3,624.41 mi (5,832.92 km) |
