| Ciechanow to Chitila | 626.49 mi (1,008.25 km) |
| Ciechanow to Cisnadie | 518.92 mi (835.12 km) |
| Ciechanow to Cluj-Napoca | 441.41 mi (710.39 km) |
| Ciechanow to Codlea | 540.46 mi (869.78 km) |
| Ciechanow to Comanesti | 514.90 mi (828.65 km) |
| Ciechanow to Comarnic | 572.51 mi (921.36 km) |
| Ciechanow to Constanta | 702.87 mi (1,131.16 km) |
| Ciechanow to Corabia | 652.70 mi (1,050.42 km) |
| Ciechanow to Costesti | 598.20 mi (962.70 km) |
| Ciechanow to Covasna | 545.06 mi (877.20 km) |
| Ciechanow to Craiova | 607.12 mi (977.06 km) |
| Ciechanow to Cristuru Secuiesc | 495.01 mi (796.65 km) |
| Ciechanow to Cugir | 500.47 mi (805.43 km) |
| Ciechanow to Cumpana | 704.33 mi (1,133.51 km) |
| Ciechanow to Curtea de Arges | 564.30 mi (908.16 km) |
