| Grenchen to Caltagirone | 777.36 mi (1,251.04 km) |
| Grenchen to Caltanissetta | 751.05 mi (1,208.70 km) |
| Grenchen to Calvisano | 189.81 mi (305.46 km) |
| Grenchen to Calvizzano | 549.57 mi (884.44 km) |
| Grenchen to Camaiore | 265.25 mi (426.87 km) |
| Grenchen to Cameri | 131.22 mi (211.18 km) |
| Grenchen to Camisano Vicentino | 236.22 mi (380.16 km) |
| Grenchen to Campagna | 591.12 mi (951.32 km) |
| Grenchen to Campagnano di Roma | 426.60 mi (686.55 km) |
| Grenchen to Campi Bisenzio | 295.03 mi (474.81 km) |
| Grenchen to Campi Salentina | 706.44 mi (1,136.91 km) |
| Grenchen to Campiglia Marittima | 325.24 mi (523.43 km) |
| Grenchen to Campobasso | 528.59 mi (850.68 km) |
| Grenchen to Campobello di Licata | 762.90 mi (1,227.77 km) |
| Grenchen to Campobello di Mazara | 714.15 mi (1,149.31 km) |
