| Hillegom to Chitila | 1,113.07 mi (1,791.31 km) |
| Hillegom to Cisnadie | 992.09 mi (1,596.62 km) |
| Hillegom to Cluj-Napoca | 929.89 mi (1,496.52 km) |
| Hillegom to Codlea | 1,044.54 mi (1,681.03 km) |
| Hillegom to Comanesti | 1,058.75 mi (1,703.89 km) |
| Hillegom to Comarnic | 1,069.44 mi (1,721.10 km) |
| Hillegom to Constanta | 1,232.98 mi (1,984.28 km) |
| Hillegom to Corabia | 1,086.67 mi (1,748.83 km) |
| Hillegom to Costesti | 1,062.92 mi (1,710.60 km) |
| Hillegom to Covasna | 1,068.84 mi (1,720.14 km) |
| Hillegom to Craiova | 1,035.80 mi (1,666.95 km) |
| Hillegom to Cristuru Secuiesc | 1,005.90 mi (1,618.83 km) |
| Hillegom to Cugir | 955.69 mi (1,538.03 km) |
| Hillegom to Cumpana | 1,232.02 mi (1,982.75 km) |
| Hillegom to Curtea de Arges | 1,035.80 mi (1,666.97 km) |
