| Grenchen to Chivasso | 140.14 mi (225.53 km) |
| Grenchen to Ciampino | 451.98 mi (727.38 km) |
| Grenchen to Cicciano | 556.66 mi (895.85 km) |
| Grenchen to Cingoli | 386.94 mi (622.72 km) |
| Grenchen to Cinisello Balsamo | 142.75 mi (229.73 km) |
| Grenchen to Cinisi | 687.04 mi (1,105.69 km) |
| Grenchen to Cirie | 135.45 mi (217.98 km) |
| Grenchen to Ciro Marina | 728.01 mi (1,171.62 km) |
| Grenchen to Cislago | 130.09 mi (209.36 km) |
| Grenchen to Cisterna di Latina | 470.51 mi (757.21 km) |
| Grenchen to Cisternino | 668.52 mi (1,075.88 km) |
| Grenchen to Citta di Castello | 348.95 mi (561.58 km) |
| Grenchen to Citta Sant'Angelo | 458.48 mi (737.85 km) |
| Grenchen to Cittadella | 234.45 mi (377.31 km) |
| Grenchen to Cittanova | 752.12 mi (1,210.43 km) |
