| Petite-Synthe to Castelli Calepio | 508.29 mi (818.02 km) |
| Petite-Synthe to Castelnovo ne' Monti | 588.51 mi (947.11 km) |
| Petite-Synthe to Castelnuovo Berardenga | 681.53 mi (1,096.82 km) |
| Petite-Synthe to Castelnuovo di Porto | 779.21 mi (1,254.01 km) |
| Petite-Synthe to Castelnuovo di Verona | 546.28 mi (879.16 km) |
| Petite-Synthe to Castelnuovo Rangone | 598.13 mi (962.59 km) |
| Petite-Synthe to Castelvetrano | 1,053.82 mi (1,695.96 km) |
| Petite-Synthe to Castelvetro di Modena | 601.34 mi (967.77 km) |
| Petite-Synthe to Castenaso | 617.03 mi (993.02 km) |
| Petite-Synthe to Castenedolo | 529.31 mi (851.84 km) |
| Petite-Synthe to Castiglion Fiorentino | 694.05 mi (1,116.96 km) |
| Petite-Synthe to Castiglione del Lago | 709.30 mi (1,141.51 km) |
| Petite-Synthe to Castiglione delle Stiviere | 539.44 mi (868.14 km) |
| Petite-Synthe to Castrolibero | 1,049.60 mi (1,689.17 km) |
| Petite-Synthe to Castrovillari | 1,021.51 mi (1,643.97 km) |
