| Porto to Creutzwald | 927.33 mi (1,492.39 km) |
| Porto to Croissy-sur-Seine | 747.33 mi (1,202.70 km) |
| Porto to Croix | 865.35 mi (1,392.64 km) |
| Porto to Crosne | 750.99 mi (1,208.60 km) |
| Porto to Cuers | 764.54 mi (1,230.41 km) |
| Porto to Cugnaux | 534.29 mi (859.86 km) |
| Porto to Cusset | 693.67 mi (1,116.36 km) |
| Porto to Dammarie-le-Lys | 748.72 mi (1,204.95 km) |
| Porto to Dammartin-en-Goele | 773.78 mi (1,245.28 km) |
| Porto to Dardilly | 742.06 mi (1,194.23 km) |
| Porto to Darnetal | 742.42 mi (1,194.81 km) |
| Porto to Dax | 424.14 mi (682.59 km) |
| Porto to Decines-Charpieu | 750.49 mi (1,207.79 km) |
| Porto to Denain | 856.29 mi (1,378.07 km) |
| Porto to Deuil-la-Barre | 758.14 mi (1,220.12 km) |
