| Guillena to Cividale del Friuli | 1,160.25 mi (1,867.25 km) |
| Guillena to Civita Castellana | 1,029.66 mi (1,657.07 km) |
| Guillena to Civitanova Marche | 1,111.00 mi (1,787.99 km) |
| Guillena to Civitavecchia | 996.24 mi (1,603.29 km) |
| Guillena to Civitella in Val di Chiana | 1,015.78 mi (1,634.74 km) |
| Guillena to Clusone | 1,003.95 mi (1,615.70 km) |
| Guillena to Coccaglio | 994.48 mi (1,600.47 km) |
| Guillena to Codigoro | 1,067.50 mi (1,717.98 km) |
| Guillena to Codogno | 969.74 mi (1,560.65 km) |
| Guillena to Codroipo | 1,136.49 mi (1,829.00 km) |
| Guillena to Cogoleto | 899.27 mi (1,447.23 km) |
| Guillena to Colle di Val d'Elsa | 987.57 mi (1,589.34 km) |
| Guillena to Colle Salvetti | 961.39 mi (1,547.21 km) |
| Guillena to Collecchio | 979.71 mi (1,576.69 km) |
| Guillena to Colleferro | 1,052.74 mi (1,694.23 km) |
