| Unna to Creutzwald | 166.79 mi (268.42 km) |
| Unna to Croissy-sur-Seine | 306.23 mi (492.83 km) |
| Unna to Croix | 205.54 mi (330.78 km) |
| Unna to Crosne | 302.51 mi (486.84 km) |
| Unna to Cuers | 578.22 mi (930.55 km) |
| Unna to Cugnaux | 626.26 mi (1,007.86 km) |
| Unna to Cusset | 419.68 mi (675.41 km) |
| Unna to Dammarie-le-Lys | 305.93 mi (492.35 km) |
| Unna to Dammartin-en-Goele | 279.59 mi (449.95 km) |
| Unna to Dardilly | 417.80 mi (672.39 km) |
| Unna to Darnetal | 321.47 mi (517.36 km) |
| Unna to Dax | 675.68 mi (1,087.41 km) |
| Unna to Decines-Charpieu | 417.29 mi (671.57 km) |
| Unna to Denain | 204.67 mi (329.38 km) |
| Unna to Deuil-la-Barre | 295.41 mi (475.41 km) |
