| Sierning to Chitila | 607.80 mi (978.15 km) |
| Sierning to Cisnadie | 491.48 mi (790.96 km) |
| Sierning to Cluj-Napoca | 442.25 mi (711.73 km) |
| Sierning to Codlea | 549.79 mi (884.79 km) |
| Sierning to Comanesti | 579.69 mi (932.92 km) |
| Sierning to Comarnic | 570.14 mi (917.56 km) |
| Sierning to Constanta | 735.23 mi (1,183.23 km) |
| Sierning to Corabia | 571.34 mi (919.49 km) |
| Sierning to Costesti | 554.74 mi (892.77 km) |
| Sierning to Covasna | 579.65 mi (932.86 km) |
| Sierning to Craiova | 521.51 mi (839.30 km) |
| Sierning to Cristuru Secuiesc | 517.68 mi (833.13 km) |
| Sierning to Cugir | 453.00 mi (729.04 km) |
| Sierning to Cumpana | 733.46 mi (1,180.38 km) |
| Sierning to Curtea de Arges | 531.15 mi (854.80 km) |
