| Gaithersburg to Floha | 4,204.50 mi (6,766.50 km) |
| Gaithersburg to Florsheim | 4,046.88 mi (6,512.82 km) |
| Gaithersburg to Florstadt | 4,055.37 mi (6,526.49 km) |
| Gaithersburg to Forchheim | 4,161.02 mi (6,696.51 km) |
| Gaithersburg to Foritz | 4,148.80 mi (6,676.84 km) |
| Gaithersburg to Forst (Lausitz) | 4,236.17 mi (6,817.46 km) |
| Gaithersburg to Frankenberg | 4,201.46 mi (6,761.59 km) |
| Gaithersburg to Frankenberg | 4,031.15 mi (6,487.51 km) |
| Gaithersburg to Frankenthal | 4,057.68 mi (6,530.20 km) |
| Gaithersburg to Frankfurt | 4,054.14 mi (6,524.50 km) |
| Gaithersburg to Frankfurt (Oder) | 4,213.54 mi (6,781.04 km) |
| Gaithersburg to Frechen | 3,956.52 mi (6,367.41 km) |
| Gaithersburg to Freiberg | 4,213.22 mi (6,780.52 km) |
| Gaithersburg to Freiberg am Neckar | 4,110.18 mi (6,614.70 km) |
| Gaithersburg to Freiburg im Breisgau | 4,082.84 mi (6,570.70 km) |
