| Gummersbach to Catania | 1,005.15 mi (1,617.63 km) |
| Gummersbach to Catanzaro | 945.87 mi (1,522.24 km) |
| Gummersbach to Cattolica | 544.24 mi (875.87 km) |
| Gummersbach to Cava de' Tirreni | 791.27 mi (1,273.42 km) |
| Gummersbach to Cavallino | 899.00 mi (1,446.81 km) |
| Gummersbach to Cavarzere | 457.39 mi (736.10 km) |
| Gummersbach to Cave | 685.72 mi (1,103.56 km) |
| Gummersbach to Cavriago | 458.58 mi (738.02 km) |
| Gummersbach to Cavriglia | 550.64 mi (886.17 km) |
| Gummersbach to Cazzago San Martino | 393.20 mi (632.79 km) |
| Gummersbach to Ceccano | 709.10 mi (1,141.18 km) |
| Gummersbach to Cecina | 550.75 mi (886.35 km) |
| Gummersbach to Cefalu | 951.82 mi (1,531.80 km) |
| Gummersbach to Ceglie Messapico | 860.45 mi (1,384.76 km) |
| Gummersbach to Celano | 679.99 mi (1,094.34 km) |
