| Castel San Pietro Terme to Creutzwald | 404.37 mi (650.76 km) |
| Castel San Pietro Terme to Croissy-sur-Seine | 543.72 mi (875.03 km) |
| Castel San Pietro Terme to Croix | 584.81 mi (941.16 km) |
| Castel San Pietro Terme to Crosne | 525.47 mi (845.66 km) |
| Castel San Pietro Terme to Cuers | 286.25 mi (460.67 km) |
| Castel San Pietro Terme to Cugnaux | 512.33 mi (824.51 km) |
| Castel San Pietro Terme to Cusset | 412.75 mi (664.25 km) |
| Castel San Pietro Terme to Dammarie-le-Lys | 511.47 mi (823.13 km) |
| Castel San Pietro Terme to Dammartin-en-Goele | 529.67 mi (852.41 km) |
| Castel San Pietro Terme to Dardilly | 346.84 mi (558.19 km) |
| Castel San Pietro Terme to Darnetal | 602.32 mi (969.35 km) |
| Castel San Pietro Terme to Dax | 628.49 mi (1,011.46 km) |
| Castel San Pietro Terme to Decines-Charpieu | 336.59 mi (541.69 km) |
| Castel San Pietro Terme to Denain | 560.28 mi (901.68 km) |
| Castel San Pietro Terme to Deuil-la-Barre | 540.17 mi (869.32 km) |
