| Boulogne-sur-Mer to Arico el Nuevo | 1,821.56 mi (2,931.52 km) |
| Boulogne-sur-Mer to Armilla | 972.85 mi (1,565.65 km) |
| Boulogne-sur-Mer to Arnedo | 613.75 mi (987.74 km) |
| Boulogne-sur-Mer to Arona | 1,832.14 mi (2,948.55 km) |
| Boulogne-sur-Mer to Arrecife | 1,697.83 mi (2,732.40 km) |
| Boulogne-sur-Mer to Arrigorriaga | 560.89 mi (902.67 km) |
| Boulogne-sur-Mer to Arroyomolinos | 769.92 mi (1,239.07 km) |
| Boulogne-sur-Mer to Arteijo | 699.13 mi (1,125.15 km) |
| Boulogne-sur-Mer to Arucas | 1,800.28 mi (2,897.27 km) |
| Boulogne-sur-Mer to Aspe | 863.33 mi (1,389.39 km) |
| Boulogne-sur-Mer to Astorga | 676.82 mi (1,089.24 km) |
| Boulogne-sur-Mer to Atarfe | 968.92 mi (1,559.33 km) |
| Boulogne-sur-Mer to Avila | 759.00 mi (1,221.49 km) |
| Boulogne-sur-Mer to Aviles | 607.96 mi (978.42 km) |
| Boulogne-sur-Mer to Ayamonte | 1,034.74 mi (1,665.25 km) |
