| Gelsenkirchen to Cay | 1,458.81 mi (2,347.73 km) |
| Gelsenkirchen to Caybasi | 1,590.02 mi (2,558.88 km) |
| Gelsenkirchen to Caycuma | 1,367.81 mi (2,201.28 km) |
| Gelsenkirchen to Cayeli | 1,739.42 mi (2,799.33 km) |
| Gelsenkirchen to Cayiralan | 1,605.90 mi (2,584.45 km) |
| Gelsenkirchen to Cayirhan | 1,411.94 mi (2,272.29 km) |
| Gelsenkirchen to Cayirli | 1,764.06 mi (2,838.98 km) |
| Gelsenkirchen to Cayirova | 1,288.38 mi (2,073.44 km) |
| Gelsenkirchen to Caykara | 1,733.08 mi (2,789.12 km) |
| Gelsenkirchen to Cekerek | 1,565.41 mi (2,519.28 km) |
| Gelsenkirchen to Cekme | 1,271.03 mi (2,045.53 km) |
| Gelsenkirchen to Celtik | 1,466.93 mi (2,360.79 km) |
| Gelsenkirchen to Cerkes | 1,427.48 mi (2,297.30 km) |
| Gelsenkirchen to Cerkezkoy | 1,214.28 mi (1,954.20 km) |
| Gelsenkirchen to Cermik | 1,813.56 mi (2,918.64 km) |
