| Harderwijk to Chitila | 1,074.06 mi (1,728.53 km) |
| Harderwijk to Cisnadie | 952.79 mi (1,533.37 km) |
| Harderwijk to Cluj-Napoca | 889.68 mi (1,431.79 km) |
| Harderwijk to Codlea | 1,004.59 mi (1,616.73 km) |
| Harderwijk to Comanesti | 1,017.66 mi (1,637.77 km) |
| Harderwijk to Comarnic | 1,029.85 mi (1,657.39 km) |
| Harderwijk to Constanta | 1,192.97 mi (1,919.91 km) |
| Harderwijk to Corabia | 1,049.39 mi (1,688.84 km) |
| Harderwijk to Costesti | 1,024.37 mi (1,648.57 km) |
| Harderwijk to Covasna | 1,028.40 mi (1,655.05 km) |
| Harderwijk to Craiova | 998.35 mi (1,606.68 km) |
| Harderwijk to Cristuru Secuiesc | 965.52 mi (1,553.85 km) |
| Harderwijk to Cugir | 916.69 mi (1,475.27 km) |
| Harderwijk to Cumpana | 1,192.10 mi (1,918.50 km) |
| Harderwijk to Curtea de Arges | 996.85 mi (1,604.28 km) |
