| Grenchen to Castrovillari | 673.09 mi (1,083.24 km) |
| Grenchen to Catania | 775.43 mi (1,247.93 km) |
| Grenchen to Catanzaro | 736.56 mi (1,185.38 km) |
| Grenchen to Cattolica | 340.78 mi (548.44 km) |
| Grenchen to Cava de' Tirreni | 576.63 mi (928.00 km) |
| Grenchen to Cavallino | 717.33 mi (1,154.43 km) |
| Grenchen to Cavarzere | 265.26 mi (426.90 km) |
| Grenchen to Cave | 460.51 mi (741.12 km) |
| Grenchen to Cavriago | 228.71 mi (368.07 km) |
| Grenchen to Cavriglia | 322.10 mi (518.37 km) |
| Grenchen to Cazzago San Martino | 167.50 mi (269.56 km) |
| Grenchen to Ceccano | 486.46 mi (782.88 km) |
| Grenchen to Cecina | 307.63 mi (495.09 km) |
| Grenchen to Cefalu | 716.05 mi (1,152.38 km) |
| Grenchen to Ceglie Messapico | 675.07 mi (1,086.42 km) |
