| Portet-sur-Garonne to Carpentras | 185.39 mi (298.35 km) |
| Portet-sur-Garonne to Carquefou | 296.26 mi (476.79 km) |
| Portet-sur-Garonne to Carqueiranne | 236.48 mi (380.58 km) |
| Portet-sur-Garonne to Carrieres-sous-Poissy | 376.11 mi (605.28 km) |
| Portet-sur-Garonne to Carrieres-sur-Seine | 374.71 mi (603.04 km) |
| Portet-sur-Garonne to Carros | 289.80 mi (466.38 km) |
| Portet-sur-Garonne to Carvin | 487.15 mi (783.99 km) |
| Portet-sur-Garonne to Castanet-Tolosan | 4.63 mi (7.45 km) |
| Portet-sur-Garonne to Castelginest | 11.94 mi (19.21 km) |
| Portet-sur-Garonne to Castelnau-le-Lez | 125.17 mi (201.44 km) |
| Portet-sur-Garonne to Castelnaudary | 30.89 mi (49.71 km) |
| Portet-sur-Garonne to Castelsarrasin | 38.78 mi (62.42 km) |
| Portet-sur-Garonne to Castres | 42.60 mi (68.55 km) |
| Portet-sur-Garonne to Caudebec-les-Elbeuf | 398.32 mi (641.04 km) |
| Portet-sur-Garonne to Caudry | 465.93 mi (749.84 km) |
