| Willebroek to Alfena | 914.94 mi (1,472.45 km) |
| Willebroek to Alijo | 880.18 mi (1,416.51 km) |
| Willebroek to Aljustrel | 1,095.37 mi (1,762.82 km) |
| Willebroek to Almada | 1,078.50 mi (1,735.68 km) |
| Willebroek to Almargem | 1,072.20 mi (1,725.55 km) |
| Willebroek to Almeirim | 1,032.52 mi (1,661.68 km) |
| Willebroek to Amadora | 1,077.65 mi (1,734.31 km) |
| Willebroek to Amarante | 898.92 mi (1,446.67 km) |
| Willebroek to Amares | 888.21 mi (1,429.44 km) |
| Willebroek to Amora | 1,080.46 mi (1,738.83 km) |
| Willebroek to Anadia | 956.69 mi (1,539.64 km) |
| Willebroek to Angra do Heroismo | 1,749.30 mi (2,815.22 km) |
| Willebroek to Ansiao | 985.93 mi (1,586.70 km) |
| Willebroek to Anta | 930.75 mi (1,497.89 km) |
| Willebroek to Arcos de Valdevez | 878.55 mi (1,413.89 km) |
