| Castalla to Cernavoda | 1,529.48 mi (2,461.47 km) |
| Castalla to Chitila | 1,430.08 mi (2,301.49 km) |
| Castalla to Cisnadie | 1,356.29 mi (2,182.74 km) |
| Castalla to Cluj-Napoca | 1,347.84 mi (2,169.14 km) |
| Castalla to Codlea | 1,417.17 mi (2,280.72 km) |
| Castalla to Comanesti | 1,474.42 mi (2,372.86 km) |
| Castalla to Comarnic | 1,420.81 mi (2,286.58 km) |
| Castalla to Constanta | 1,558.13 mi (2,507.57 km) |
| Castalla to Corabia | 1,351.14 mi (2,174.45 km) |
| Castalla to Costesti | 1,377.95 mi (2,217.60 km) |
| Castalla to Covasna | 1,454.24 mi (2,340.37 km) |
| Castalla to Craiova | 1,322.60 mi (2,128.52 km) |
| Castalla to Cristuru Secuiesc | 1,406.49 mi (2,263.53 km) |
| Castalla to Cugir | 1,321.38 mi (2,126.55 km) |
| Castalla to Cumpana | 1,554.03 mi (2,500.97 km) |
