| Harlau to Arico el Nuevo | 2,669.92 mi (4,296.82 km) |
| Harlau to Armilla | 1,699.97 mi (2,735.84 km) |
| Harlau to Arnedo | 1,457.37 mi (2,345.42 km) |
| Harlau to Arona | 2,682.42 mi (4,316.93 km) |
| Harlau to Arrecife | 2,501.23 mi (4,025.34 km) |
| Harlau to Arrigorriaga | 1,467.28 mi (2,361.36 km) |
| Harlau to Arroyomolinos | 1,600.91 mi (2,576.41 km) |
| Harlau to Arteijo | 1,727.57 mi (2,780.26 km) |
| Harlau to Arucas | 2,629.17 mi (4,231.24 km) |
| Harlau to Aspe | 1,524.74 mi (2,453.83 km) |
| Harlau to Astorga | 1,635.76 mi (2,632.49 km) |
| Harlau to Atarfe | 1,700.46 mi (2,736.63 km) |
| Harlau to Avila | 1,624.97 mi (2,615.14 km) |
| Harlau to Aviles | 1,599.69 mi (2,574.46 km) |
| Harlau to Ayamonte | 1,871.33 mi (3,011.61 km) |
