| Grande-Synthe to Cassino | 855.58 mi (1,376.92 km) |
| Grande-Synthe to Castagneto Carducci | 667.16 mi (1,073.69 km) |
| Grande-Synthe to Castano Primo | 480.08 mi (772.62 km) |
| Grande-Synthe to Castel Bolognese | 638.86 mi (1,028.15 km) |
| Grande-Synthe to Castel Gandolfo | 806.64 mi (1,298.17 km) |
| Grande-Synthe to Castel Goffredo | 545.12 mi (877.29 km) |
| Grande-Synthe to Castel Maggiore | 611.87 mi (984.72 km) |
| Grande-Synthe to Castel Mella | 524.27 mi (843.73 km) |
| Grande-Synthe to Castel San Giorgio | 922.13 mi (1,484.02 km) |
| Grande-Synthe to Castel San Giovanni | 527.07 mi (848.23 km) |
| Grande-Synthe to Castel San Pietro Terme | 627.56 mi (1,009.96 km) |
| Grande-Synthe to Castel Volturno | 883.43 mi (1,421.74 km) |
| Grande-Synthe to Castelbuono | 1,071.82 mi (1,724.93 km) |
| Grande-Synthe to Casteldaccia | 1,050.09 mi (1,689.96 km) |
| Grande-Synthe to Castelfidardo | 740.26 mi (1,191.33 km) |
