| Grevena to Civita Castellana | 492.83 mi (793.13 km) |
| Grevena to Civitanova Marche | 454.63 mi (731.65 km) |
| Grevena to Civitavecchia | 519.97 mi (836.81 km) |
| Grevena to Civitella in Val di Chiana | 550.50 mi (885.94 km) |
| Grevena to Clusone | 703.91 mi (1,132.83 km) |
| Grevena to Coccaglio | 691.71 mi (1,113.21 km) |
| Grevena to Codigoro | 576.38 mi (927.59 km) |
| Grevena to Codogno | 690.48 mi (1,111.22 km) |
| Grevena to Codroipo | 588.46 mi (947.04 km) |
| Grevena to Cogoleto | 717.24 mi (1,154.29 km) |
| Grevena to Colle di Val d'Elsa | 577.50 mi (929.39 km) |
| Grevena to Colle Salvetti | 612.83 mi (986.25 km) |
| Grevena to Collecchio | 655.58 mi (1,055.05 km) |
| Grevena to Colleferro | 453.50 mi (729.84 km) |
| Grevena to Collegno | 783.34 mi (1,260.66 km) |
