| Idil to Carpentras | 1,967.51 mi (3,166.40 km) |
| Idil to Carquefou | 2,287.87 mi (3,681.97 km) |
| Idil to Carqueiranne | 1,915.94 mi (3,083.40 km) |
| Idil to Carrieres-sous-Poissy | 2,133.64 mi (3,433.75 km) |
| Idil to Carrieres-sur-Seine | 2,122.05 mi (3,415.10 km) |
| Idil to Carros | 1,860.37 mi (2,993.97 km) |
| Idil to Carvin | 2,109.06 mi (3,394.20 km) |
| Idil to Castanet-Tolosan | 2,145.18 mi (3,452.33 km) |
| Idil to Castelginest | 2,147.92 mi (3,456.74 km) |
| Idil to Castelnau-le-Lez | 2,024.66 mi (3,258.38 km) |
| Idil to Castelnaudary | 2,122.94 mi (3,416.53 km) |
| Idil to Castelsarrasin | 2,163.26 mi (3,481.43 km) |
| Idil to Castres | 2,107.33 mi (3,391.42 km) |
| Idil to Caudebec-les-Elbeuf | 2,182.04 mi (3,511.65 km) |
| Idil to Caudry | 2,084.83 mi (3,355.21 km) |
