| Portici to Creutzwald | 688.51 mi (1,108.05 km) |
| Portici to Croissy-sur-Seine | 814.90 mi (1,311.45 km) |
| Portici to Croix | 866.94 mi (1,395.20 km) |
| Portici to Crosne | 796.52 mi (1,281.88 km) |
| Portici to Cuers | 455.89 mi (733.69 km) |
| Portici to Cugnaux | 690.66 mi (1,111.51 km) |
| Portici to Cusset | 656.85 mi (1,057.10 km) |
| Portici to Dammarie-le-Lys | 781.63 mi (1,257.92 km) |
| Portici to Dammartin-en-Goele | 803.82 mi (1,293.62 km) |
| Portici to Dardilly | 591.80 mi (952.41 km) |
| Portici to Darnetal | 874.31 mi (1,407.07 km) |
| Portici to Dax | 810.60 mi (1,304.53 km) |
| Portici to Decines-Charpieu | 582.07 mi (936.75 km) |
| Portici to Denain | 841.92 mi (1,354.93 km) |
| Portici to Deuil-la-Barre | 812.66 mi (1,307.85 km) |
