| Grande-Synthe to Cervello | 664.72 mi (1,069.76 km) |
| Grande-Synthe to Cervera | 647.75 mi (1,042.46 km) |
| Grande-Synthe to Ceuti | 910.61 mi (1,465.48 km) |
| Grande-Synthe to Cheste | 809.90 mi (1,303.40 km) |
| Grande-Synthe to Chiclana de la Frontera | 1,091.62 mi (1,756.79 km) |
| Grande-Synthe to Chipiona | 1,076.57 mi (1,732.57 km) |
| Grande-Synthe to Chiva | 810.77 mi (1,304.80 km) |
| Grande-Synthe to Churriana de la Vega | 1,001.60 mi (1,611.92 km) |
| Grande-Synthe to Ciempozuelos | 802.12 mi (1,290.89 km) |
| Grande-Synthe to Cieza | 901.11 mi (1,450.20 km) |
| Grande-Synthe to Cisterniga | 729.09 mi (1,173.36 km) |
| Grande-Synthe to Ciudad de Melilla | 1,117.96 mi (1,799.19 km) |
| Grande-Synthe to Ciudad Real | 884.24 mi (1,423.05 km) |
| Grande-Synthe to Ciudad-Rodrigo | 834.94 mi (1,343.71 km) |
| Grande-Synthe to Cocentaina | 858.11 mi (1,381.00 km) |
