| Castel Gandolfo to Forlimpopoli | 170.37 mi (274.18 km) |
| Castel Gandolfo to Formello | 26.61 mi (42.82 km) |
| Castel Gandolfo to Formia | 59.94 mi (96.46 km) |
| Castel Gandolfo to Formigine | 215.75 mi (347.22 km) |
| Castel Gandolfo to Fossano | 314.52 mi (506.17 km) |
| Castel Gandolfo to Fossombrone | 135.21 mi (217.59 km) |
| Castel Gandolfo to Francavilla al Mare | 96.35 mi (155.07 km) |
| Castel Gandolfo to Francavilla Fontana | 269.91 mi (434.37 km) |
| Castel Gandolfo to Francofonte | 333.75 mi (537.12 km) |
| Castel Gandolfo to Frascati | 5.09 mi (8.19 km) |
| Castel Gandolfo to Frattamaggiore | 101.60 mi (163.50 km) |
| Castel Gandolfo to Frattaminore | 100.23 mi (161.31 km) |
| Castel Gandolfo to Frosinone | 36.86 mi (59.33 km) |
| Castel Gandolfo to Fucecchio | 166.33 mi (267.68 km) |
| Castel Gandolfo to Gaeta | 59.87 mi (96.35 km) |
