| Isernia to Castelfidardo | 133.37 mi (214.64 km) |
| Isernia to Castelfiorentino | 216.19 mi (347.92 km) |
| Isernia to Castelfranco di Sopra | 195.13 mi (314.03 km) |
| Isernia to Castelfranco di Sotto | 228.97 mi (368.50 km) |
| Isernia to Castelfranco Emilia | 261.95 mi (421.56 km) |
| Isernia to Castelfranco Veneto | 303.52 mi (488.46 km) |
| Isernia to Castellabate | 98.75 mi (158.93 km) |
| Isernia to Castellammare del Golfo | 257.41 mi (414.26 km) |
| Isernia to Castellammare di Stabia | 63.98 mi (102.97 km) |
| Isernia to Castellamonte | 418.38 mi (673.31 km) |
| Isernia to Castellana Grotte | 159.98 mi (257.45 km) |
| Isernia to Castellaneta | 155.38 mi (250.06 km) |
| Isernia to Castellanza | 384.89 mi (619.42 km) |
| Isernia to Castellarano | 268.94 mi (432.82 km) |
| Isernia to Castelleone | 339.86 mi (546.95 km) |
