| Grefrath to Floha | 293.83 mi (472.87 km) |
| Grefrath to Florsheim | 129.25 mi (208.00 km) |
| Grefrath to Florstadt | 130.72 mi (210.37 km) |
| Grefrath to Forchheim | 235.32 mi (378.71 km) |
| Grefrath to Foritz | 224.37 mi (361.08 km) |
| Grefrath to Forst (Lausitz) | 357.26 mi (574.96 km) |
| Grefrath to Frankenberg | 291.80 mi (469.61 km) |
| Grefrath to Frankenberg | 108.04 mi (173.87 km) |
| Grefrath to Frankenthal | 152.75 mi (245.83 km) |
| Grefrath to Frankfurt | 132.88 mi (213.85 km) |
| Grefrath to Frankfurt (Oder) | 357.14 mi (574.76 km) |
| Grefrath to Frechen | 35.59 mi (57.27 km) |
| Grefrath to Freiberg | 304.94 mi (490.75 km) |
| Grefrath to Freiberg am Neckar | 208.77 mi (335.99 km) |
| Grefrath to Freiburg im Breisgau | 240.51 mi (387.06 km) |
