| Grefrath to Forlimpopoli | 562.29 mi (904.92 km) |
| Grefrath to Formello | 700.22 mi (1,126.90 km) |
| Grefrath to Formia | 776.70 mi (1,249.98 km) |
| Grefrath to Formigine | 510.92 mi (822.25 km) |
| Grefrath to Fossano | 473.27 mi (761.66 km) |
| Grefrath to Fossombrone | 607.47 mi (977.63 km) |
| Grefrath to Francavilla al Mare | 720.93 mi (1,160.22 km) |
| Grefrath to Francavilla Fontana | 919.16 mi (1,479.25 km) |
| Grefrath to Francofonte | 1,060.37 mi (1,706.50 km) |
| Grefrath to Frascati | 722.77 mi (1,163.19 km) |
| Grefrath to Frattamaggiore | 812.06 mi (1,306.89 km) |
| Grefrath to Frattaminore | 810.65 mi (1,304.61 km) |
| Grefrath to Frosinone | 747.94 mi (1,203.70 km) |
| Grefrath to Fucecchio | 564.73 mi (908.85 km) |
| Grefrath to Gaeta | 778.81 mi (1,253.37 km) |
