| Douai to Arcozelo | 854.68 mi (1,375.48 km) |
| Douai to Arganil | 883.98 mi (1,422.63 km) |
| Douai to Arouca | 849.15 mi (1,366.58 km) |
| Douai to Arruda dos Vinhos | 984.87 mi (1,585.00 km) |
| Douai to Aveiro | 878.41 mi (1,413.67 km) |
| Douai to Aver-o-Mar | 839.80 mi (1,351.52 km) |
| Douai to Aves | 822.86 mi (1,324.27 km) |
| Douai to Azambuja | 974.20 mi (1,567.83 km) |
| Douai to Baiao | 829.65 mi (1,335.20 km) |
| Douai to Barcelos | 828.79 mi (1,333.81 km) |
| Douai to Barreiro | 1,003.28 mi (1,614.63 km) |
| Douai to Batalha | 938.59 mi (1,510.52 km) |
| Douai to Beja | 1,008.36 mi (1,622.79 km) |
| Douai to Belas | 1,002.92 mi (1,614.05 km) |
| Douai to Benavente | 978.09 mi (1,574.08 km) |
