| Welwyn Garden City to Fisciano | 1,042.09 mi (1,677.08 km) |
| Welwyn Garden City to Fiuggi | 935.27 mi (1,505.17 km) |
| Welwyn Garden City to Fiume Veneto | 712.37 mi (1,146.44 km) |
| Welwyn Garden City to Fiumefreddo di Sicilia | 1,221.89 mi (1,966.44 km) |
| Welwyn Garden City to Fiumicino | 906.73 mi (1,459.25 km) |
| Welwyn Garden City to Flero | 642.97 mi (1,034.75 km) |
| Welwyn Garden City to Florence | 766.76 mi (1,233.98 km) |
| Welwyn Garden City to Floridia | 1,262.39 mi (2,031.63 km) |
| Welwyn Garden City to Foggia | 1,029.42 mi (1,656.69 km) |
| Welwyn Garden City to Foiano della Chiana | 812.49 mi (1,307.57 km) |
| Welwyn Garden City to Folignano | 894.61 mi (1,439.73 km) |
| Welwyn Garden City to Foligno | 856.85 mi (1,378.97 km) |
| Welwyn Garden City to Follonica | 798.17 mi (1,284.53 km) |
| Welwyn Garden City to Fondi | 966.25 mi (1,555.03 km) |
| Welwyn Garden City to Fontanafredda | 704.72 mi (1,134.14 km) |
