| Hackettstown to Floha | 4,031.07 mi (6,487.39 km) |
| Hackettstown to Florsheim | 3,873.64 mi (6,234.02 km) |
| Hackettstown to Florstadt | 3,882.07 mi (6,247.59 km) |
| Hackettstown to Forchheim | 3,987.71 mi (6,417.59 km) |
| Hackettstown to Foritz | 3,975.42 mi (6,397.82 km) |
| Hackettstown to Forst (Lausitz) | 4,062.78 mi (6,538.41 km) |
| Hackettstown to Frankenberg | 4,028.03 mi (6,482.48 km) |
| Hackettstown to Frankenberg | 3,857.78 mi (6,208.49 km) |
| Hackettstown to Frankenthal | 3,884.53 mi (6,251.54 km) |
| Hackettstown to Frankfurt | 3,880.87 mi (6,245.66 km) |
| Hackettstown to Frankfurt (Oder) | 4,040.19 mi (6,502.05 km) |
| Hackettstown to Frechen | 3,783.22 mi (6,088.51 km) |
| Hackettstown to Freiberg | 4,039.79 mi (6,501.41 km) |
| Hackettstown to Freiberg am Neckar | 3,937.09 mi (6,336.14 km) |
| Hackettstown to Freiburg im Breisgau | 3,910.08 mi (6,292.67 km) |
