| Isernia to Creutzwald | 639.49 mi (1,029.16 km) |
| Isernia to Croissy-sur-Seine | 772.35 mi (1,242.97 km) |
| Isernia to Croix | 819.78 mi (1,319.31 km) |
| Isernia to Crosne | 753.98 mi (1,213.41 km) |
| Isernia to Cuers | 431.50 mi (694.43 km) |
| Isernia to Cugnaux | 668.95 mi (1,076.57 km) |
| Isernia to Cusset | 620.94 mi (999.31 km) |
| Isernia to Dammarie-le-Lys | 739.35 mi (1,189.87 km) |
| Isernia to Dammartin-en-Goele | 760.22 mi (1,223.46 km) |
| Isernia to Dardilly | 555.18 mi (893.48 km) |
| Isernia to Darnetal | 831.59 mi (1,338.31 km) |
| Isernia to Dax | 789.25 mi (1,270.17 km) |
| Isernia to Decines-Charpieu | 545.25 mi (877.49 km) |
| Isernia to Denain | 795.06 mi (1,279.52 km) |
| Isernia to Deuil-la-Barre | 769.67 mi (1,238.66 km) |
