| Isernia to Castelletto sopra Ticino | 398.96 mi (642.07 km) |
| Isernia to Castelli Calepio | 352.97 mi (568.05 km) |
| Isernia to Castelnovo ne' Monti | 275.39 mi (443.19 km) |
| Isernia to Castelnuovo Berardenga | 184.27 mi (296.55 km) |
| Isernia to Castelnuovo di Porto | 96.72 mi (155.66 km) |
| Isernia to Castelnuovo di Verona | 316.67 mi (509.63 km) |
| Isernia to Castelnuovo Rangone | 263.22 mi (423.61 km) |
| Isernia to Castelvetrano | 281.52 mi (453.07 km) |
| Isernia to Castelvetro di Modena | 260.06 mi (418.53 km) |
| Isernia to Castenaso | 244.68 mi (393.77 km) |
| Isernia to Castenedolo | 332.19 mi (534.61 km) |
| Isernia to Castiglion Fiorentino | 168.69 mi (271.48 km) |
| Isernia to Castiglione del Lago | 154.19 mi (248.15 km) |
| Isernia to Castiglione delle Stiviere | 322.35 mi (518.77 km) |
| Isernia to Castrolibero | 188.59 mi (303.50 km) |
