| Grenchen to Cay | 1,328.44 mi (2,137.91 km) |
| Grenchen to Caybasi | 1,523.32 mi (2,451.55 km) |
| Grenchen to Caycuma | 1,277.25 mi (2,055.53 km) |
| Grenchen to Cayeli | 1,691.42 mi (2,722.08 km) |
| Grenchen to Cayiralan | 1,512.24 mi (2,433.72 km) |
| Grenchen to Cayirhan | 1,302.66 mi (2,096.42 km) |
| Grenchen to Cayirli | 1,699.47 mi (2,735.03 km) |
| Grenchen to Cayirova | 1,172.38 mi (1,886.76 km) |
| Grenchen to Caykara | 1,679.18 mi (2,702.38 km) |
| Grenchen to Cekerek | 1,479.14 mi (2,380.45 km) |
| Grenchen to Cekme | 1,156.37 mi (1,861.00 km) |
| Grenchen to Celtik | 1,346.28 mi (2,166.63 km) |
| Grenchen to Cerkes | 1,334.32 mi (2,147.38 km) |
| Grenchen to Cerkezkoy | 1,094.45 mi (1,761.35 km) |
| Grenchen to Cermik | 1,729.71 mi (2,783.71 km) |
