| Duncan to Floha | 5,204.00 mi (8,375.02 km) |
| Duncan to Florsheim | 5,072.61 mi (8,163.58 km) |
| Duncan to Florstadt | 5,076.56 mi (8,169.93 km) |
| Duncan to Forchheim | 5,179.83 mi (8,336.13 km) |
| Duncan to Foritz | 5,160.66 mi (8,305.28 km) |
| Duncan to Forst (Lausitz) | 5,220.18 mi (8,401.07 km) |
| Duncan to Frankenberg | 5,200.53 mi (8,369.44 km) |
| Duncan to Frankenberg | 5,045.06 mi (8,119.23 km) |
| Duncan to Frankenthal | 5,088.45 mi (8,189.07 km) |
| Duncan to Frankfurt | 5,078.03 mi (8,172.30 km) |
| Duncan to Frankfurt (Oder) | 5,191.49 mi (8,354.89 km) |
| Duncan to Frechen | 4,978.94 mi (8,012.83 km) |
| Duncan to Freiberg | 5,211.03 mi (8,386.35 km) |
| Duncan to Freiberg am Neckar | 5,143.61 mi (8,277.85 km) |
| Duncan to Freiburg im Breisgau | 5,129.94 mi (8,255.83 km) |
