| Idil to Cernavoda | 869.16 mi (1,398.77 km) |
| Idil to Chitila | 964.59 mi (1,552.36 km) |
| Idil to Cisnadie | 1,081.17 mi (1,739.97 km) |
| Idil to Cluj-Napoca | 1,138.57 mi (1,832.35 km) |
| Idil to Codlea | 1,025.20 mi (1,649.90 km) |
| Idil to Comanesti | 1,009.56 mi (1,624.73 km) |
| Idil to Comarnic | 1,002.59 mi (1,613.51 km) |
| Idil to Constanta | 837.48 mi (1,347.80 km) |
| Idil to Corabia | 1,012.63 mi (1,629.67 km) |
| Idil to Costesti | 1,018.53 mi (1,639.16 km) |
| Idil to Covasna | 999.26 mi (1,608.16 km) |
| Idil to Craiova | 1,058.11 mi (1,702.87 km) |
| Idil to Cristuru Secuiesc | 1,062.29 mi (1,709.59 km) |
| Idil to Cugir | 1,119.29 mi (1,801.32 km) |
| Idil to Cumpana | 838.99 mi (1,350.23 km) |
