| Isernia to Collegno | 411.95 mi (662.97 km) |
| Isernia to Cologno al Serio | 356.59 mi (573.88 km) |
| Isernia to Cologno Monzese | 367.65 mi (591.67 km) |
| Isernia to Colorno | 300.92 mi (484.28 km) |
| Isernia to Comacchio | 237.76 mi (382.63 km) |
| Isernia to Comiso | 322.05 mi (518.29 km) |
| Isernia to Como | 388.12 mi (624.62 km) |
| Isernia to Concordia Sagittaria | 295.94 mi (476.28 km) |
| Isernia to Concorezzo | 368.76 mi (593.47 km) |
| Isernia to Conegliano | 311.44 mi (501.22 km) |
| Isernia to Conselice | 235.12 mi (378.38 km) |
| Isernia to Conselve | 277.65 mi (446.83 km) |
| Isernia to Conversano | 155.69 mi (250.57 km) |
| Isernia to Copertino | 219.24 mi (352.83 km) |
| Isernia to Copparo | 257.97 mi (415.16 km) |
