| Gelsenkirchen to Coin | 1,179.21 mi (1,897.76 km) |
| Gelsenkirchen to Colindres | 745.23 mi (1,199.34 km) |
| Gelsenkirchen to Collado-Villalba | 919.17 mi (1,479.26 km) |
| Gelsenkirchen to Colmenar Viejo | 911.07 mi (1,466.23 km) |
| Gelsenkirchen to Colmenarejo | 923.68 mi (1,486.52 km) |
| Gelsenkirchen to Conil de la Frontera | 1,237.16 mi (1,991.01 km) |
| Gelsenkirchen to Consuegra | 978.87 mi (1,575.34 km) |
| Gelsenkirchen to Corbera de Llobregat | 739.44 mi (1,190.01 km) |
| Gelsenkirchen to Cordoba | 1,104.80 mi (1,778.01 km) |
| Gelsenkirchen to Coria del Rio | 1,174.39 mi (1,890.00 km) |
| Gelsenkirchen to Crevillente | 993.75 mi (1,599.28 km) |
| Gelsenkirchen to Cuarte de Huerva | 783.87 mi (1,261.52 km) |
| Gelsenkirchen to Cubellas | 757.14 mi (1,218.50 km) |
| Gelsenkirchen to Cuellar | 883.06 mi (1,421.15 km) |
| Gelsenkirchen to Cuenca | 906.35 mi (1,458.63 km) |
