| Petite-Synthe to Cosenza | 1,052.08 mi (1,693.16 km) |
| Petite-Synthe to Cossato | 461.80 mi (743.20 km) |
| Petite-Synthe to Costa Volpino | 504.31 mi (811.61 km) |
| Petite-Synthe to Creazzo | 565.06 mi (909.38 km) |
| Petite-Synthe to Crema | 515.95 mi (830.34 km) |
| Petite-Synthe to Cremona | 539.15 mi (867.68 km) |
| Petite-Synthe to Crevalcore | 595.94 mi (959.08 km) |
| Petite-Synthe to Crispiano | 1,012.32 mi (1,629.18 km) |
| Petite-Synthe to Crosia | 1,053.28 mi (1,695.10 km) |
| Petite-Synthe to Crotone | 1,091.28 mi (1,756.24 km) |
| Petite-Synthe to Cuneo | 518.21 mi (833.98 km) |
| Petite-Synthe to Cuorgne | 459.07 mi (738.80 km) |
| Petite-Synthe to Cusano Milanino | 491.12 mi (790.37 km) |
| Petite-Synthe to Cutro | 1,089.88 mi (1,753.99 km) |
| Petite-Synthe to Cutrofiano | 1,070.57 mi (1,722.92 km) |
