| Petite-Synthe to Castelfiorentino | 651.68 mi (1,048.78 km) |
| Petite-Synthe to Castelfranco di Sopra | 667.74 mi (1,074.63 km) |
| Petite-Synthe to Castelfranco di Sotto | 639.81 mi (1,029.68 km) |
| Petite-Synthe to Castelfranco Emilia | 599.30 mi (964.48 km) |
| Petite-Synthe to Castelfranco Veneto | 574.11 mi (923.95 km) |
| Petite-Synthe to Castellabate | 957.16 mi (1,540.41 km) |
| Petite-Synthe to Castellammare del Golfo | 1,034.62 mi (1,665.06 km) |
| Petite-Synthe to Castellammare di Stabia | 919.39 mi (1,479.61 km) |
| Petite-Synthe to Castellamonte | 461.05 mi (741.99 km) |
| Petite-Synthe to Castellana Grotte | 995.09 mi (1,601.43 km) |
| Petite-Synthe to Castellaneta | 1,000.54 mi (1,610.22 km) |
| Petite-Synthe to Castellanza | 479.22 mi (771.22 km) |
| Petite-Synthe to Castellarano | 592.64 mi (953.76 km) |
| Petite-Synthe to Castelleone | 522.13 mi (840.29 km) |
| Petite-Synthe to Castelletto sopra Ticino | 466.04 mi (750.02 km) |
