| Duffel to Arcozelo | 934.89 mi (1,504.57 km) |
| Duffel to Arganil | 963.57 mi (1,550.72 km) |
| Duffel to Arouca | 929.17 mi (1,495.36 km) |
| Duffel to Arruda dos Vinhos | 1,064.44 mi (1,713.05 km) |
| Duffel to Aveiro | 958.48 mi (1,542.53 km) |
| Duffel to Aver-o-Mar | 920.15 mi (1,480.83 km) |
| Duffel to Aves | 903.09 mi (1,453.39 km) |
| Duffel to Azambuja | 1,053.69 mi (1,695.76 km) |
| Duffel to Baiao | 909.68 mi (1,463.99 km) |
| Duffel to Barcelos | 909.13 mi (1,463.10 km) |
| Duffel to Barreiro | 1,082.70 mi (1,742.43 km) |
| Duffel to Batalha | 1,018.32 mi (1,638.83 km) |
| Duffel to Beja | 1,086.56 mi (1,748.64 km) |
| Duffel to Belas | 1,082.50 mi (1,742.12 km) |
| Duffel to Benavente | 1,057.49 mi (1,701.87 km) |
