| Longford to Creutzwald | 696.05 mi (1,120.18 km) |
| Longford to Croissy-sur-Seine | 543.87 mi (875.28 km) |
| Longford to Croix | 508.61 mi (818.54 km) |
| Longford to Crosne | 562.20 mi (904.78 km) |
| Longford to Cuers | 960.34 mi (1,545.52 km) |
| Longford to Cugnaux | 817.00 mi (1,314.84 km) |
| Longford to Cusset | 723.49 mi (1,164.35 km) |
| Longford to Dammarie-le-Lys | 577.40 mi (929.24 km) |
| Longford to Dammartin-en-Goele | 554.48 mi (892.36 km) |
| Longford to Dardilly | 781.06 mi (1,257.00 km) |
| Longford to Darnetal | 484.38 mi (779.53 km) |
| Longford to Dax | 756.60 mi (1,217.63 km) |
| Longford to Decines-Charpieu | 789.49 mi (1,270.55 km) |
| Longford to Denain | 529.89 mi (852.77 km) |
| Longford to Deuil-la-Barre | 545.68 mi (878.18 km) |
