| Grinon to Chivasso | 686.96 mi (1,105.56 km) |
| Grinon to Ciampino | 863.28 mi (1,389.31 km) |
| Grinon to Cicciano | 964.13 mi (1,551.61 km) |
| Grinon to Cingoli | 903.94 mi (1,454.75 km) |
| Grinon to Cinisello Balsamo | 755.91 mi (1,216.52 km) |
| Grinon to Cinisi | 917.20 mi (1,476.09 km) |
| Grinon to Cirie | 675.81 mi (1,087.61 km) |
| Grinon to Ciro Marina | 1,112.63 mi (1,790.60 km) |
| Grinon to Cislago | 747.89 mi (1,203.61 km) |
| Grinon to Cisterna di Latina | 874.74 mi (1,407.76 km) |
| Grinon to Cisternino | 1,116.45 mi (1,796.75 km) |
| Grinon to Citta di Castello | 856.70 mi (1,378.73 km) |
| Grinon to Citta Sant'Angelo | 939.86 mi (1,512.56 km) |
| Grinon to Cittadella | 873.41 mi (1,405.63 km) |
| Grinon to Cittanova | 1,071.51 mi (1,724.43 km) |
