| Duffel to Alfena | 921.28 mi (1,482.66 km) |
| Duffel to Alijo | 886.38 mi (1,426.49 km) |
| Duffel to Aljustrel | 1,101.25 mi (1,772.29 km) |
| Duffel to Almada | 1,084.62 mi (1,745.52 km) |
| Duffel to Almargem | 1,078.35 mi (1,735.44 km) |
| Duffel to Almeirim | 1,038.62 mi (1,671.50 km) |
| Duffel to Amadora | 1,083.78 mi (1,744.18 km) |
| Duffel to Amarante | 905.21 mi (1,456.79 km) |
| Duffel to Amares | 894.58 mi (1,439.69 km) |
| Duffel to Amora | 1,086.56 mi (1,748.65 km) |
| Duffel to Anadia | 962.91 mi (1,549.66 km) |
| Duffel to Angra do Heroismo | 1,756.20 mi (2,826.32 km) |
| Duffel to Ansiao | 992.10 mi (1,596.62 km) |
| Duffel to Anta | 937.07 mi (1,508.07 km) |
| Duffel to Arcos de Valdevez | 884.96 mi (1,424.20 km) |
