| Isernia to Cassina de' Pecchi | 364.08 mi (585.93 km) |
| Isernia to Cassino | 22.18 mi (35.70 km) |
| Isernia to Castagneto Carducci | 214.86 mi (345.79 km) |
| Isernia to Castano Primo | 386.38 mi (621.82 km) |
| Isernia to Castel Bolognese | 224.43 mi (361.18 km) |
| Isernia to Castel Gandolfo | 82.54 mi (132.84 km) |
| Isernia to Castel Goffredo | 317.48 mi (510.94 km) |
| Isernia to Castel Maggiore | 250.87 mi (403.74 km) |
| Isernia to Castel Mella | 338.20 mi (544.28 km) |
| Isernia to Castel San Giorgio | 61.47 mi (98.93 km) |
| Isernia to Castel San Giovanni | 339.13 mi (545.78 km) |
| Isernia to Castel San Pietro Terme | 235.28 mi (378.64 km) |
| Isernia to Castel Volturno | 41.71 mi (67.13 km) |
| Isernia to Castelbuono | 253.65 mi (408.20 km) |
| Isernia to Casteldaccia | 248.32 mi (399.63 km) |
