| Geilenkirchen to Chitila | 1,020.81 mi (1,642.83 km) |
| Geilenkirchen to Cisnadie | 901.14 mi (1,450.25 km) |
| Geilenkirchen to Cluj-Napoca | 842.64 mi (1,356.09 km) |
| Geilenkirchen to Codlea | 955.84 mi (1,538.27 km) |
| Geilenkirchen to Comanesti | 974.95 mi (1,569.03 km) |
| Geilenkirchen to Comarnic | 979.30 mi (1,576.02 km) |
| Geilenkirchen to Constanta | 1,143.96 mi (1,841.02 km) |
| Geilenkirchen to Corabia | 989.50 mi (1,592.45 km) |
| Geilenkirchen to Costesti | 969.31 mi (1,559.95 km) |
| Geilenkirchen to Covasna | 982.06 mi (1,580.47 km) |
| Geilenkirchen to Craiova | 939.18 mi (1,511.47 km) |
| Geilenkirchen to Cristuru Secuiesc | 919.03 mi (1,479.04 km) |
| Geilenkirchen to Cugir | 863.84 mi (1,390.21 km) |
| Geilenkirchen to Cumpana | 1,142.70 mi (1,838.99 km) |
| Geilenkirchen to Curtea de Arges | 943.55 mi (1,518.49 km) |
