| Geilenkirchen to Calafell | 708.70 mi (1,140.54 km) |
| Geilenkirchen to Calahorra | 710.13 mi (1,142.84 km) |
| Geilenkirchen to Calasparra | 959.00 mi (1,543.36 km) |
| Geilenkirchen to Calatayud | 759.97 mi (1,223.05 km) |
| Geilenkirchen to Caldas de Montbuy | 671.59 mi (1,080.81 km) |
| Geilenkirchen to Caldas de Reyes | 903.38 mi (1,453.85 km) |
| Geilenkirchen to Calella | 666.45 mi (1,072.54 km) |
| Geilenkirchen to Callosa de Segura | 950.87 mi (1,530.28 km) |
| Geilenkirchen to Calpe | 901.07 mi (1,450.13 km) |
| Geilenkirchen to Calvia | 806.75 mi (1,298.34 km) |
| Geilenkirchen to Camas | 1,110.68 mi (1,787.46 km) |
| Geilenkirchen to Cambados | 914.23 mi (1,471.31 km) |
| Geilenkirchen to Cambre | 859.63 mi (1,383.44 km) |
| Geilenkirchen to Cambrils | 725.33 mi (1,167.31 km) |
| Geilenkirchen to Campo de Criptana | 915.34 mi (1,473.10 km) |
