| Portsmouth to Creutzwald | 362.68 mi (583.67 km) |
| Portsmouth to Croissy-sur-Seine | 196.06 mi (315.52 km) |
| Portsmouth to Croix | 185.48 mi (298.51 km) |
| Portsmouth to Crosne | 214.33 mi (344.93 km) |
| Portsmouth to Cuers | 621.53 mi (1,000.26 km) |
| Portsmouth to Cugnaux | 514.91 mi (828.67 km) |
| Portsmouth to Cusset | 383.89 mi (617.81 km) |
| Portsmouth to Dammarie-le-Lys | 229.69 mi (369.65 km) |
| Portsmouth to Dammartin-en-Goele | 206.70 mi (332.65 km) |
| Portsmouth to Dardilly | 437.20 mi (703.61 km) |
| Portsmouth to Darnetal | 136.64 mi (219.91 km) |
| Portsmouth to Dax | 490.28 mi (789.02 km) |
| Portsmouth to Decines-Charpieu | 445.07 mi (716.28 km) |
| Portsmouth to Denain | 199.42 mi (320.93 km) |
| Portsmouth to Deuil-la-Barre | 197.63 mi (318.05 km) |
