| Union to Carpentras | 4,704.97 mi (7,571.92 km) |
| Union to Carquefou | 4,319.42 mi (6,951.43 km) |
| Union to Carqueiranne | 4,784.31 mi (7,699.60 km) |
| Union to Carrieres-sous-Poissy | 4,407.63 mi (7,093.40 km) |
| Union to Carrieres-sur-Seine | 4,418.79 mi (7,111.35 km) |
| Union to Carros | 4,804.75 mi (7,732.50 km) |
| Union to Carvin | 4,391.24 mi (7,067.02 km) |
| Union to Castanet-Tolosan | 4,574.68 mi (7,362.23 km) |
| Union to Castelginest | 4,565.52 mi (7,347.49 km) |
| Union to Castelnau-le-Lez | 4,672.49 mi (7,519.64 km) |
| Union to Castelnaudary | 4,601.31 mi (7,405.10 km) |
| Union to Castelsarrasin | 4,539.28 mi (7,305.27 km) |
| Union to Castres | 4,603.77 mi (7,409.06 km) |
| Union to Caudebec-les-Elbeuf | 4,356.23 mi (7,010.67 km) |
| Union to Caudry | 4,421.18 mi (7,115.19 km) |
