| Douai to Alfena | 841.05 mi (1,353.53 km) |
| Douai to Alijo | 806.57 mi (1,298.05 km) |
| Douai to Aljustrel | 1,022.88 mi (1,646.16 km) |
| Douai to Almada | 1,005.14 mi (1,617.62 km) |
| Douai to Almargem | 998.74 mi (1,607.32 km) |
| Douai to Almeirim | 959.21 mi (1,543.70 km) |
| Douai to Amadora | 1,004.25 mi (1,616.18 km) |
| Douai to Amarante | 825.12 mi (1,327.91 km) |
| Douai to Amares | 814.28 mi (1,310.46 km) |
| Douai to Amora | 1,007.14 mi (1,620.83 km) |
| Douai to Anadia | 883.02 mi (1,421.08 km) |
| Douai to Angra do Heroismo | 1,681.41 mi (2,705.97 km) |
| Douai to Ansiao | 912.44 mi (1,468.43 km) |
| Douai to Anta | 856.88 mi (1,379.02 km) |
| Douai to Arcos de Valdevez | 804.58 mi (1,294.85 km) |
