| Isernia to Castrovillari | 160.52 mi (258.33 km) |
| Isernia to Catania | 287.07 mi (462.00 km) |
| Isernia to Catanzaro | 224.40 mi (361.14 km) |
| Isernia to Cattolica | 180.30 mi (290.17 km) |
| Isernia to Cava de' Tirreni | 66.82 mi (107.53 km) |
| Isernia to Cavallino | 224.90 mi (361.95 km) |
| Isernia to Cavarzere | 267.14 mi (429.92 km) |
| Isernia to Cave | 68.98 mi (111.02 km) |
| Isernia to Cavriago | 284.01 mi (457.07 km) |
| Isernia to Cavriglia | 192.76 mi (310.22 km) |
| Isernia to Cazzago San Martino | 346.37 mi (557.42 km) |
| Isernia to Ceccano | 46.91 mi (75.49 km) |
| Isernia to Cecina | 223.66 mi (359.94 km) |
| Isernia to Cefalu | 246.91 mi (397.37 km) |
| Isernia to Ceglie Messapico | 181.99 mi (292.89 km) |
