| Isernia to Cabestany | 583.08 mi (938.38 km) |
| Isernia to Cabries | 468.45 mi (753.90 km) |
| Isernia to Cachan | 761.88 mi (1,226.13 km) |
| Isernia to Caen | 878.77 mi (1,414.24 km) |
| Isernia to Cagnes-sur-Mer | 387.40 mi (623.46 km) |
| Isernia to Cahors | 674.88 mi (1,086.12 km) |
| Isernia to Calais | 873.29 mi (1,405.42 km) |
| Isernia to Caluire-et-Cuire | 550.85 mi (886.52 km) |
| Isernia to Cambrai | 792.69 mi (1,275.71 km) |
| Isernia to Canet-en-Roussillon | 579.93 mi (933.31 km) |
| Isernia to Cannes | 391.40 mi (629.90 km) |
| Isernia to Canteleu | 836.05 mi (1,345.49 km) |
| Isernia to Capbreton | 807.86 mi (1,300.13 km) |
| Isernia to Carcassonne | 616.10 mi (991.52 km) |
| Isernia to Carmaux | 634.47 mi (1,021.08 km) |
