| Grande-Synthe to Catania | 1,124.41 mi (1,809.56 km) |
| Grande-Synthe to Catanzaro | 1,086.58 mi (1,748.68 km) |
| Grande-Synthe to Cattolica | 687.39 mi (1,106.25 km) |
| Grande-Synthe to Cava de' Tirreni | 926.80 mi (1,491.54 km) |
| Grande-Synthe to Cavallino | 1,061.35 mi (1,708.07 km) |
| Grande-Synthe to Cavarzere | 606.27 mi (975.69 km) |
| Grande-Synthe to Cave | 810.85 mi (1,304.93 km) |
| Grande-Synthe to Cavriago | 578.86 mi (931.59 km) |
| Grande-Synthe to Cavriglia | 672.46 mi (1,082.22 km) |
| Grande-Synthe to Cazzago San Martino | 516.07 mi (830.54 km) |
| Grande-Synthe to Ceccano | 836.82 mi (1,346.74 km) |
| Grande-Synthe to Cecina | 656.18 mi (1,056.02 km) |
| Grande-Synthe to Cefalu | 1,063.58 mi (1,711.67 km) |
| Grande-Synthe to Ceglie Messapico | 1,019.95 mi (1,641.46 km) |
| Grande-Synthe to Celano | 814.54 mi (1,310.88 km) |
