| Isernia to Cizre | 1,512.64 mi (2,434.36 km) |
| Isernia to Cobanlar | 894.83 mi (1,440.09 km) |
| Isernia to Corlu | 703.03 mi (1,131.41 km) |
| Isernia to Corum | 1,078.97 mi (1,736.43 km) |
| Isernia to Cukurca | 1,588.30 mi (2,556.12 km) |
| Isernia to Cukurcayir | 1,319.52 mi (2,123.57 km) |
| Isernia to Cumayeri | 868.35 mi (1,397.47 km) |
| Isernia to Cumra | 1,023.11 mi (1,646.53 km) |
| Isernia to Cungus | 1,343.08 mi (2,161.48 km) |
| Isernia to Dargecit | 1,483.58 mi (2,387.59 km) |
| Isernia to Davutlar | 743.34 mi (1,196.28 km) |
| Isernia to Demirozu | 1,338.78 mi (2,154.55 km) |
| Isernia to Demre | 921.79 mi (1,483.48 km) |
| Isernia to Denizciler | 1,222.82 mi (1,967.94 km) |
| Isernia to Denizli | 831.30 mi (1,337.84 km) |
