| Guillena to Cernavoda | 1,825.71 mi (2,938.20 km) |
| Guillena to Chitila | 1,725.54 mi (2,776.98 km) |
| Guillena to Cisnadie | 1,647.26 mi (2,651.01 km) |
| Guillena to Cluj-Napoca | 1,634.20 mi (2,629.98 km) |
| Guillena to Codlea | 1,708.78 mi (2,750.01 km) |
| Guillena to Comanesti | 1,763.84 mi (2,838.62 km) |
| Guillena to Comarnic | 1,713.97 mi (2,758.37 km) |
| Guillena to Constanta | 1,854.82 mi (2,985.05 km) |
| Guillena to Corabia | 1,648.22 mi (2,652.55 km) |
| Guillena to Costesti | 1,672.68 mi (2,691.91 km) |
| Guillena to Covasna | 1,745.61 mi (2,809.29 km) |
| Guillena to Craiova | 1,618.02 mi (2,603.95 km) |
| Guillena to Cristuru Secuiesc | 1,695.73 mi (2,729.01 km) |
| Guillena to Cugir | 1,611.42 mi (2,593.33 km) |
| Guillena to Cumpana | 1,850.84 mi (2,978.64 km) |
