| Houghton Regis to Forli | 784.12 mi (1,261.91 km) |
| Houghton Regis to Forlimpopoli | 789.46 mi (1,270.51 km) |
| Houghton Regis to Formello | 909.14 mi (1,463.12 km) |
| Houghton Regis to Formia | 992.09 mi (1,596.62 km) |
| Houghton Regis to Formigine | 727.80 mi (1,171.29 km) |
| Houghton Regis to Fossano | 633.69 mi (1,019.83 km) |
| Houghton Regis to Fossombrone | 837.06 mi (1,347.12 km) |
| Houghton Regis to Francavilla al Mare | 953.05 mi (1,533.79 km) |
| Houghton Regis to Francavilla Fontana | 1,163.12 mi (1,871.86 km) |
| Houghton Regis to Francofonte | 1,260.41 mi (2,028.43 km) |
| Houghton Regis to Frascati | 932.61 mi (1,500.90 km) |
| Houghton Regis to Frattamaggiore | 1,031.52 mi (1,660.07 km) |
| Houghton Regis to Frattaminore | 1,030.07 mi (1,657.75 km) |
| Houghton Regis to Frosinone | 963.60 mi (1,550.77 km) |
| Houghton Regis to Fucecchio | 769.47 mi (1,238.34 km) |
