| Herdecke to Chitila | 977.61 mi (1,573.30 km) |
| Herdecke to Cisnadie | 856.88 mi (1,379.01 km) |
| Herdecke to Cluj-Napoca | 795.70 mi (1,280.56 km) |
| Herdecke to Codlea | 909.96 mi (1,464.44 km) |
| Herdecke to Comanesti | 925.92 mi (1,490.13 km) |
| Herdecke to Comarnic | 934.47 mi (1,503.88 km) |
| Herdecke to Constanta | 1,098.38 mi (1,767.67 km) |
| Herdecke to Corabia | 950.58 mi (1,529.82 km) |
| Herdecke to Costesti | 927.19 mi (1,492.16 km) |
| Herdecke to Covasna | 934.90 mi (1,504.57 km) |
| Herdecke to Craiova | 899.73 mi (1,447.97 km) |
| Herdecke to Cristuru Secuiesc | 871.89 mi (1,403.17 km) |
| Herdecke to Cugir | 820.25 mi (1,320.07 km) |
| Herdecke to Cumpana | 1,097.34 mi (1,765.99 km) |
| Herdecke to Curtea de Arges | 900.32 mi (1,448.92 km) |
