| Isernia to Coudekerque-Branche | 860.15 mi (1,384.27 km) |
| Isernia to Coueron | 875.92 mi (1,409.66 km) |
| Isernia to Coulommiers | 735.68 mi (1,183.96 km) |
| Isernia to Courbevoic | 769.10 mi (1,237.75 km) |
| Isernia to Courcouronnes | 751.46 mi (1,209.36 km) |
| Isernia to Cournon-d'Auvergne | 620.80 mi (999.08 km) |
| Isernia to Courrieres | 815.37 mi (1,312.21 km) |
| Isernia to Coutras | 759.09 mi (1,221.63 km) |
| Isernia to Couzeix | 711.89 mi (1,145.68 km) |
| Isernia to Cran-Gevrier | 502.74 mi (809.08 km) |
| Isernia to Craponne | 554.50 mi (892.38 km) |
| Isernia to Creil | 776.00 mi (1,248.85 km) |
| Isernia to Crepy-en-Valois | 760.80 mi (1,224.39 km) |
| Isernia to Crest | 511.86 mi (823.76 km) |
| Isernia to Creteil | 757.05 mi (1,218.36 km) |
