| Isernia to Chojnow | 672.51 mi (1,082.31 km) |
| Isernia to Chorzow | 641.77 mi (1,032.84 km) |
| Isernia to Choszczno | 800.85 mi (1,288.85 km) |
| Isernia to Chrzanow | 639.16 mi (1,028.63 km) |
| Isernia to Ciechanow | 833.25 mi (1,340.98 km) |
| Isernia to Ciechocinek | 807.60 mi (1,299.71 km) |
| Isernia to Cieszyn | 601.28 mi (967.67 km) |
| Isernia to Czarna Bialostocka | 910.32 mi (1,465.02 km) |
| Isernia to Czarnkow | 788.04 mi (1,268.23 km) |
| Isernia to Czechowice-Dziedzice | 618.13 mi (994.79 km) |
| Isernia to Czeladz | 646.16 mi (1,039.89 km) |
| Isernia to Czersk Pomorski | 859.65 mi (1,383.48 km) |
| Isernia to Czestochowa | 676.53 mi (1,088.77 km) |
| Isernia to Czluchow | 845.94 mi (1,361.41 km) |
| Isernia to Dabrowa Gornicza | 647.20 mi (1,041.57 km) |
