| Hennef to Creutzwald | 112.11 mi (180.42 km) |
| Hennef to Croissy-sur-Seine | 264.18 mi (425.15 km) |
| Hennef to Croix | 180.85 mi (291.05 km) |
| Hennef to Crosne | 258.33 mi (415.73 km) |
| Hennef to Cuers | 524.46 mi (844.04 km) |
| Hennef to Cugnaux | 572.69 mi (921.66 km) |
| Hennef to Cusset | 365.83 mi (588.75 km) |
| Hennef to Dammarie-le-Lys | 260.01 mi (418.44 km) |
| Hennef to Dammartin-en-Goele | 236.97 mi (381.37 km) |
| Hennef to Dardilly | 363.00 mi (584.20 km) |
| Hennef to Darnetal | 286.91 mi (461.73 km) |
| Hennef to Dax | 624.98 mi (1,005.80 km) |
| Hennef to Decines-Charpieu | 362.49 mi (583.36 km) |
| Hennef to Denain | 173.53 mi (279.27 km) |
| Hennef to Deuil-la-Barre | 253.44 mi (407.88 km) |
