| Duncan to Ferentino | 5,602.80 mi (9,016.83 km) |
| Duncan to Fermo | 5,556.99 mi (8,943.11 km) |
| Duncan to Ferrandina | 5,783.00 mi (9,306.83 km) |
| Duncan to Ferrara | 5,403.50 mi (8,696.10 km) |
| Duncan to Fiano Romano | 5,555.83 mi (8,941.25 km) |
| Duncan to Ficarazzi | 5,769.00 mi (9,284.31 km) |
| Duncan to Fidenza | 5,341.52 mi (8,596.34 km) |
| Duncan to Fiesole | 5,433.94 mi (8,745.08 km) |
| Duncan to Figline Valdarno | 5,448.89 mi (8,769.14 km) |
| Duncan to Filottrano | 5,530.85 mi (8,901.05 km) |
| Duncan to Finale Emilia | 5,390.53 mi (8,675.22 km) |
| Duncan to Finale Ligure | 5,301.29 mi (8,531.61 km) |
| Duncan to Fino Mornasco | 5,264.96 mi (8,473.14 km) |
| Duncan to Fiorano Modenese | 5,384.81 mi (8,666.01 km) |
| Duncan to Fiorenzuola d'Arda | 5,332.22 mi (8,581.38 km) |
