| Geilenkirchen to Cosenza | 943.26 mi (1,518.03 km) |
| Geilenkirchen to Cossato | 384.67 mi (619.06 km) |
| Geilenkirchen to Costa Volpino | 398.85 mi (641.89 km) |
| Geilenkirchen to Creazzo | 448.91 mi (722.45 km) |
| Geilenkirchen to Crema | 420.12 mi (676.12 km) |
| Geilenkirchen to Cremona | 441.49 mi (710.50 km) |
| Geilenkirchen to Crevalcore | 490.46 mi (789.32 km) |
| Geilenkirchen to Crispiano | 892.16 mi (1,435.80 km) |
| Geilenkirchen to Crosia | 940.40 mi (1,513.43 km) |
| Geilenkirchen to Crotone | 978.69 mi (1,575.04 km) |
| Geilenkirchen to Cuneo | 459.59 mi (739.64 km) |
| Geilenkirchen to Cuorgne | 391.61 mi (630.24 km) |
| Geilenkirchen to Cusano Milanino | 399.74 mi (643.31 km) |
| Geilenkirchen to Cutro | 978.22 mi (1,574.29 km) |
| Geilenkirchen to Cutrofiano | 948.03 mi (1,525.71 km) |
