| Grevena to Ciampino | 475.46 mi (765.19 km) |
| Grevena to Cicciano | 367.06 mi (590.73 km) |
| Grevena to Cingoli | 479.98 mi (772.46 km) |
| Grevena to Cinisello Balsamo | 723.78 mi (1,164.81 km) |
| Grevena to Cinisi | 465.41 mi (749.00 km) |
| Grevena to Cirie | 786.09 mi (1,265.10 km) |
| Grevena to Ciro Marina | 233.75 mi (376.18 km) |
| Grevena to Cislago | 737.69 mi (1,187.19 km) |
| Grevena to Cisterna di Latina | 461.18 mi (742.19 km) |
| Grevena to Cisternino | 214.84 mi (345.74 km) |
| Grevena to Citta di Castello | 527.17 mi (848.40 km) |
| Grevena to Citta Sant'Angelo | 417.99 mi (672.68 km) |
| Grevena to Cittadella | 620.83 mi (999.13 km) |
| Grevena to Cittanova | 310.11 mi (499.07 km) |
| Grevena to Cividale del Friuli | 578.57 mi (931.12 km) |
