| Castellanza to Fiuggi | 340.51 mi (548.00 km) |
| Castellanza to Fiume Veneto | 186.00 mi (299.34 km) |
| Castellanza to Fiumefreddo di Sicilia | 629.83 mi (1,013.61 km) |
| Castellanza to Fiumicino | 313.77 mi (504.96 km) |
| Castellanza to Flero | 62.35 mi (100.34 km) |
| Castellanza to Florence | 172.11 mi (276.98 km) |
| Castellanza to Floridia | 672.33 mi (1,082.01 km) |
| Castellanza to Foggia | 439.18 mi (706.79 km) |
| Castellanza to Foiano della Chiana | 217.79 mi (350.50 km) |
| Castellanza to Folignano | 303.82 mi (488.96 km) |
| Castellanza to Foligno | 263.15 mi (423.50 km) |
| Castellanza to Follonica | 207.89 mi (334.57 km) |
| Castellanza to Fondi | 371.59 mi (598.02 km) |
| Castellanza to Fontanafredda | 178.28 mi (286.91 km) |
| Castellanza to Forli | 181.31 mi (291.80 km) |
