| Douai to Bombarral | 971.07 mi (1,562.78 km) |
| Douai to Bougado | 836.71 mi (1,346.55 km) |
| Douai to Braga | 820.66 mi (1,320.72 km) |
| Douai to Braganca | 755.27 mi (1,215.48 km) |
| Douai to Cabeceiras de Basto | 808.84 mi (1,301.70 km) |
| Douai to Cacem | 1,004.29 mi (1,616.24 km) |
| Douai to Cadaval | 971.42 mi (1,563.36 km) |
| Douai to Caldas da Rainha | 962.51 mi (1,549.02 km) |
| Douai to Calheta | 1,596.28 mi (2,568.97 km) |
| Douai to Camara de Lobos | 1,591.91 mi (2,561.93 km) |
| Douai to Canico | 1,590.87 mi (2,560.26 km) |
| Douai to Cantanhede | 892.81 mi (1,436.85 km) |
| Douai to Carregal do Sal | 870.06 mi (1,400.22 km) |
| Douai to Cartaxo | 966.94 mi (1,556.14 km) |
| Douai to Cascais | 1,011.56 mi (1,627.94 km) |
