| Isernia to Fisciano | 64.70 mi (104.12 km) |
| Isernia to Fiuggi | 54.50 mi (87.71 km) |
| Isernia to Fiume Veneto | 308.49 mi (496.46 km) |
| Isernia to Fiumefreddo di Sicilia | 267.66 mi (430.75 km) |
| Isernia to Fiumicino | 104.15 mi (167.61 km) |
| Isernia to Flero | 336.57 mi (541.65 km) |
| Isernia to Florence | 213.14 mi (343.02 km) |
| Isernia to Floridia | 316.03 mi (508.60 km) |
| Isernia to Foggia | 68.24 mi (109.83 km) |
| Isernia to Foiano della Chiana | 167.98 mi (270.35 km) |
| Isernia to Folignano | 89.43 mi (143.92 km) |
| Isernia to Foligno | 121.90 mi (196.18 km) |
| Isernia to Follonica | 199.74 mi (321.45 km) |
| Isernia to Fondi | 46.05 mi (74.10 km) |
| Isernia to Fontanafredda | 312.83 mi (503.45 km) |
