| Cities | Distance |
|---|---|
| Douglas to Arcozelo | 747.71 mi (1,203.33 km) |
| Douglas to Arganil | 805.72 mi (1,296.68 km) |
| Douglas to Arouca | 756.11 mi (1,216.85 km) |
| Douglas to Arruda dos Vinhos | 891.34 mi (1,434.48 km) |
| Douglas to Aveiro | 776.89 mi (1,250.28 km) |
| Douglas to Aver-o-Mar | 723.75 mi (1,164.76 km) |
| Douglas to Aves | 721.11 mi (1,160.52 km) |
| Douglas to Azambuja | 885.31 mi (1,424.76 km) |
| Douglas to Baiao | 740.21 mi (1,191.26 km) |
| Douglas to Barcelos | 715.84 mi (1,152.03 km) |
| Douglas to Barreiro | 913.21 mi (1,469.67 km) |
| Douglas to Batalha | 844.94 mi (1,359.80 km) |
| Douglas to Beja | 956.84 mi (1,539.88 km) |
| Douglas to Belas | 906.09 mi (1,458.20 km) |
| Douglas to Benavente | 892.15 mi (1,435.77 km) |