| Willebroek to Arico el Nuevo | 1,917.01 mi (3,085.13 km) |
| Willebroek to Armilla | 1,038.44 mi (1,671.21 km) |
| Willebroek to Arnedo | 683.47 mi (1,099.94 km) |
| Willebroek to Arona | 1,927.88 mi (3,102.63 km) |
| Willebroek to Arrecife | 1,787.00 mi (2,875.90 km) |
| Willebroek to Arrigorriaga | 640.43 mi (1,030.67 km) |
| Willebroek to Arroyomolinos | 845.01 mi (1,359.92 km) |
| Willebroek to Arteijo | 806.22 mi (1,297.48 km) |
| Willebroek to Arucas | 1,893.33 mi (3,047.02 km) |
| Willebroek to Aspe | 913.83 mi (1,470.67 km) |
| Willebroek to Astorga | 771.39 mi (1,241.43 km) |
| Willebroek to Atarfe | 1,035.07 mi (1,665.78 km) |
| Willebroek to Avila | 839.79 mi (1,351.51 km) |
| Willebroek to Aviles | 706.50 mi (1,137.00 km) |
| Willebroek to Ayamonte | 1,118.69 mi (1,800.36 km) |
