| Merthyr Tudful to Ferentino | 1,046.10 mi (1,683.53 km) |
| Merthyr Tudful to Fermo | 990.68 mi (1,594.34 km) |
| Merthyr Tudful to Ferrandina | 1,219.90 mi (1,963.24 km) |
| Merthyr Tudful to Ferrara | 835.99 mi (1,345.39 km) |
| Merthyr Tudful to Fiano Romano | 998.89 mi (1,607.55 km) |
| Merthyr Tudful to Ficarazzi | 1,246.91 mi (2,006.71 km) |
| Merthyr Tudful to Fidenza | 777.40 mi (1,251.11 km) |
| Merthyr Tudful to Fiesole | 871.67 mi (1,402.82 km) |
| Merthyr Tudful to Figline Valdarno | 887.11 mi (1,427.67 km) |
| Merthyr Tudful to Filottrano | 964.39 mi (1,552.04 km) |
| Merthyr Tudful to Finale Emilia | 823.55 mi (1,325.37 km) |
| Merthyr Tudful to Finale Ligure | 751.87 mi (1,210.02 km) |
| Merthyr Tudful to Fino Mornasco | 699.33 mi (1,125.46 km) |
| Merthyr Tudful to Fiorano Modenese | 820.13 mi (1,319.87 km) |
| Merthyr Tudful to Fiorenzuola d'Arda | 768.28 mi (1,236.43 km) |
