| Merthyr Tudful to Fairmount (New York) | 3,315.92 mi (5,336.45 km) |
| Merthyr Tudful to Fairview (California) | 5,239.27 mi (8,431.79 km) |
| Merthyr Tudful to Fairview (New Jersey) | 3,318.54 mi (5,340.67 km) |
| Merthyr Tudful to Fairview (Oregon) | 4,803.32 mi (7,730.20 km) |
| Merthyr Tudful to Fairview Heights (Illinois) | 4,061.25 mi (6,535.95 km) |
| Merthyr Tudful to Fairview Park (Ohio) | 3,608.92 mi (5,808.00 km) |
| Merthyr Tudful to Fairview Shores (Florida) | 4,196.72 mi (6,753.97 km) |
| Merthyr Tudful to Fairwood (Washington) | 4,688.38 mi (7,545.21 km) |
| Merthyr Tudful to Fajardo (Puerto Rico) | 4,051.78 mi (6,520.72 km) |
| Merthyr Tudful to Fall River (Massachusetts) | 3,161.41 mi (5,087.80 km) |
| Merthyr Tudful to Fallbrook (California) | 5,328.78 mi (8,575.84 km) |
| Merthyr Tudful to Falls Church (Virginia) | 3,533.37 mi (5,686.41 km) |
| Merthyr Tudful to Fargo (North Dakota) | 3,924.60 mi (6,316.04 km) |
| Merthyr Tudful to Faribault (Minnesota) | 3,916.81 mi (6,303.50 km) |
| Merthyr Tudful to Farmers Branch (Texas) | 4,610.50 mi (7,419.89 km) |
