| Formia to Creutzwald | 642.99 mi (1,034.80 km) |
| Formia to Croissy-sur-Seine | 766.58 mi (1,233.70 km) |
| Formia to Croix | 820.16 mi (1,319.92 km) |
| Formia to Crosne | 748.21 mi (1,204.13 km) |
| Formia to Cuers | 409.05 mi (658.31 km) |
| Formia to Cugnaux | 644.87 mi (1,037.82 km) |
| Formia to Cusset | 608.11 mi (978.65 km) |
| Formia to Dammarie-le-Lys | 733.27 mi (1,180.09 km) |
| Formia to Dammartin-en-Goele | 755.74 mi (1,216.25 km) |
| Formia to Dardilly | 543.03 mi (873.93 km) |
| Formia to Darnetal | 826.02 mi (1,329.35 km) |
| Formia to Dax | 765.00 mi (1,231.15 km) |
| Formia to Decines-Charpieu | 533.30 mi (858.26 km) |
| Formia to Denain | 795.00 mi (1,279.44 km) |
| Formia to Deuil-la-Barre | 764.44 mi (1,230.25 km) |
