| Grande-Synthe to Capoterra | 879.42 mi (1,415.30 km) |
| Grande-Synthe to Capriolo | 510.26 mi (821.18 km) |
| Grande-Synthe to Capua | 889.24 mi (1,431.09 km) |
| Grande-Synthe to Capurso | 979.15 mi (1,575.79 km) |
| Grande-Synthe to Carate Brianza | 480.31 mi (772.98 km) |
| Grande-Synthe to Caravaggio | 508.70 mi (818.67 km) |
| Grande-Synthe to Carbonera | 587.08 mi (944.82 km) |
| Grande-Synthe to Carbonia | 872.16 mi (1,403.60 km) |
| Grande-Synthe to Cardito | 900.59 mi (1,449.36 km) |
| Grande-Synthe to Carignano | 489.37 mi (787.57 km) |
| Grande-Synthe to Carini | 1,036.17 mi (1,667.56 km) |
| Grande-Synthe to Carlentini | 1,135.44 mi (1,827.31 km) |
| Grande-Synthe to Carmagnola | 493.84 mi (794.77 km) |
| Grande-Synthe to Carmiano | 1,054.54 mi (1,697.12 km) |
| Grande-Synthe to Carmignano | 641.95 mi (1,033.12 km) |
