| Horndean to Cernavoda | 1,415.32 mi (2,277.74 km) |
| Horndean to Chitila | 1,321.14 mi (2,126.16 km) |
| Horndean to Cisnadie | 1,203.32 mi (1,936.56 km) |
| Horndean to Cluj-Napoca | 1,147.97 mi (1,847.49 km) |
| Horndean to Codlea | 1,259.73 mi (2,027.34 km) |
| Horndean to Comanesti | 1,281.92 mi (2,063.05 km) |
| Horndean to Comarnic | 1,281.89 mi (2,062.99 km) |
| Horndean to Constanta | 1,447.01 mi (2,328.73 km) |
| Horndean to Corabia | 1,283.53 mi (2,065.64 km) |
| Horndean to Costesti | 1,268.35 mi (2,041.21 km) |
| Horndean to Covasna | 1,287.27 mi (2,071.66 km) |
| Horndean to Craiova | 1,234.39 mi (1,986.55 km) |
| Horndean to Cristuru Secuiesc | 1,224.38 mi (1,970.45 km) |
| Horndean to Cugir | 1,165.32 mi (1,875.41 km) |
| Horndean to Cumpana | 1,445.49 mi (2,326.28 km) |
