| Diyadin to Cernavoda | 867.90 mi (1,396.74 km) |
| Diyadin to Chitila | 968.51 mi (1,558.67 km) |
| Diyadin to Cisnadie | 1,076.82 mi (1,732.98 km) |
| Diyadin to Cluj-Napoca | 1,124.84 mi (1,810.26 km) |
| Diyadin to Codlea | 1,016.93 mi (1,636.58 km) |
| Diyadin to Comanesti | 989.35 mi (1,592.21 km) |
| Diyadin to Comarnic | 998.78 mi (1,607.39 km) |
| Diyadin to Constanta | 836.04 mi (1,345.48 km) |
| Diyadin to Corabia | 1,029.42 mi (1,656.69 km) |
| Diyadin to Costesti | 1,023.81 mi (1,647.67 km) |
| Diyadin to Covasna | 986.61 mi (1,587.80 km) |
| Diyadin to Craiova | 1,070.00 mi (1,722.01 km) |
| Diyadin to Cristuru Secuiesc | 1,048.84 mi (1,687.95 km) |
| Diyadin to Cugir | 1,115.77 mi (1,795.67 km) |
| Diyadin to Cumpana | 838.62 mi (1,349.63 km) |
