| Gladbeck to Chitila | 1,000.52 mi (1,610.19 km) |
| Gladbeck to Cisnadie | 879.73 mi (1,415.78 km) |
| Gladbeck to Cluj-Napoca | 818.30 mi (1,316.93 km) |
| Gladbeck to Codlea | 932.66 mi (1,500.97 km) |
| Gladbeck to Comanesti | 948.22 mi (1,526.02 km) |
| Gladbeck to Comarnic | 957.26 mi (1,540.56 km) |
| Gladbeck to Constanta | 1,121.09 mi (1,804.22 km) |
| Gladbeck to Corabia | 973.70 mi (1,567.01 km) |
| Gladbeck to Costesti | 950.17 mi (1,529.16 km) |
| Gladbeck to Covasna | 957.45 mi (1,540.86 km) |
| Gladbeck to Craiova | 922.83 mi (1,485.15 km) |
| Gladbeck to Cristuru Secuiesc | 894.45 mi (1,439.48 km) |
| Gladbeck to Cugir | 843.16 mi (1,356.93 km) |
| Gladbeck to Cumpana | 1,120.07 mi (1,802.57 km) |
| Gladbeck to Curtea de Arges | 923.24 mi (1,485.81 km) |
