| Herisau to Cay | 1,250.26 mi (2,012.10 km) |
| Herisau to Caybasi | 1,437.69 mi (2,313.74 km) |
| Herisau to Caycuma | 1,193.45 mi (1,920.67 km) |
| Herisau to Cayeli | 1,604.61 mi (2,582.38 km) |
| Herisau to Cayiralan | 1,429.28 mi (2,300.21 km) |
| Herisau to Cayirhan | 1,221.21 mi (1,965.35 km) |
| Herisau to Cayirli | 1,613.89 mi (2,597.30 km) |
| Herisau to Cayirova | 1,091.50 mi (1,756.60 km) |
| Herisau to Caykara | 1,592.76 mi (2,563.30 km) |
| Herisau to Cekerek | 1,395.30 mi (2,245.51 km) |
| Herisau to Cekme | 1,075.25 mi (1,730.44 km) |
| Herisau to Celtik | 1,266.59 mi (2,038.38 km) |
| Herisau to Cerkes | 1,250.94 mi (2,013.20 km) |
| Herisau to Cerkezkoy | 1,013.87 mi (1,631.66 km) |
| Herisau to Cermik | 1,645.99 mi (2,648.97 km) |
