| Douglas to Carpentras | 823.00 mi (1,324.49 km) |
| Douglas to Carquefou | 443.29 mi (713.40 km) |
| Douglas to Carqueiranne | 906.45 mi (1,458.78 km) |
| Douglas to Carrieres-sous-Poissy | 503.03 mi (809.55 km) |
| Douglas to Carrieres-sur-Seine | 514.29 mi (827.66 km) |
| Douglas to Carros | 912.86 mi (1,469.10 km) |
| Douglas to Carvin | 502.07 mi (808.01 km) |
| Douglas to Castanet-Tolosan | 738.29 mi (1,188.17 km) |
| Douglas to Castelginest | 726.37 mi (1,168.97 km) |
| Douglas to Castelnau-le-Lez | 805.73 mi (1,296.70 km) |
| Douglas to Castelnaudary | 762.65 mi (1,227.37 km) |
| Douglas to Castelsarrasin | 697.45 mi (1,122.44 km) |
| Douglas to Castres | 755.76 mi (1,216.27 km) |
| Douglas to Caudebec-les-Elbeuf | 451.59 mi (726.76 km) |
| Douglas to Caudry | 528.52 mi (850.56 km) |
