| Castleford to Cernavoda | 1,466.54 mi (2,360.18 km) |
| Castleford to Chitila | 1,378.54 mi (2,218.55 km) |
| Castleford to Cisnadie | 1,257.33 mi (2,023.47 km) |
| Castleford to Cluj-Napoca | 1,194.05 mi (1,921.63 km) |
| Castleford to Codlea | 1,309.06 mi (2,106.72 km) |
| Castleford to Comanesti | 1,321.16 mi (2,126.20 km) |
| Castleford to Comarnic | 1,334.40 mi (2,147.50 km) |
| Castleford to Constanta | 1,497.42 mi (2,409.86 km) |
| Castleford to Corabia | 1,352.62 mi (2,176.83 km) |
| Castleford to Costesti | 1,328.66 mi (2,138.27 km) |
| Castleford to Covasna | 1,332.60 mi (2,144.61 km) |
| Castleford to Craiova | 1,301.76 mi (2,094.98 km) |
| Castleford to Cristuru Secuiesc | 1,269.78 mi (2,043.51 km) |
| Castleford to Cugir | 1,221.16 mi (1,965.27 km) |
| Castleford to Cumpana | 1,496.57 mi (2,408.50 km) |
