| Geilenkirchen to Cay | 1,479.33 mi (2,380.75 km) |
| Geilenkirchen to Caybasi | 1,621.90 mi (2,610.20 km) |
| Geilenkirchen to Caycuma | 1,395.14 mi (2,245.27 km) |
| Geilenkirchen to Cayeli | 1,774.51 mi (2,855.80 km) |
| Geilenkirchen to Cayiralan | 1,633.40 mi (2,628.70 km) |
| Geilenkirchen to Cayirhan | 1,436.17 mi (2,311.29 km) |
| Geilenkirchen to Cayirli | 1,796.66 mi (2,891.44 km) |
| Geilenkirchen to Cayirova | 1,310.97 mi (2,109.80 km) |
| Geilenkirchen to Caykara | 1,767.27 mi (2,844.14 km) |
| Geilenkirchen to Cekerek | 1,594.05 mi (2,565.37 km) |
| Geilenkirchen to Cekme | 1,293.80 mi (2,082.16 km) |
| Geilenkirchen to Celtik | 1,489.28 mi (2,396.76 km) |
| Geilenkirchen to Cerkes | 1,454.56 mi (2,340.89 km) |
| Geilenkirchen to Cerkezkoy | 1,235.88 mi (1,988.95 km) |
| Geilenkirchen to Cermik | 1,843.16 mi (2,966.27 km) |
