| Petite-Synthe to Carpentras | 497.46 mi (800.58 km) |
| Petite-Synthe to Carquefou | 310.51 mi (499.71 km) |
| Petite-Synthe to Carqueiranne | 574.90 mi (925.21 km) |
| Petite-Synthe to Carrieres-sous-Poissy | 144.07 mi (231.85 km) |
| Petite-Synthe to Carrieres-sur-Seine | 145.97 mi (234.92 km) |
| Petite-Synthe to Carros | 549.45 mi (884.25 km) |
| Petite-Synthe to Carvin | 45.18 mi (72.70 km) |
| Petite-Synthe to Castanet-Tolosan | 520.25 mi (837.27 km) |
| Petite-Synthe to Castelginest | 508.24 mi (817.93 km) |
| Petite-Synthe to Castelnau-le-Lez | 515.43 mi (829.51 km) |
| Petite-Synthe to Castelnaudary | 532.69 mi (857.28 km) |
| Petite-Synthe to Castelsarrasin | 485.95 mi (782.07 km) |
| Petite-Synthe to Castres | 512.91 mi (825.45 km) |
| Petite-Synthe to Caudebec-les-Elbeuf | 134.04 mi (215.71 km) |
| Petite-Synthe to Caudry | 77.52 mi (124.75 km) |
