| Seclin to Arico el Nuevo | 1,851.46 mi (2,979.63 km) |
| Seclin to Armilla | 982.19 mi (1,580.68 km) |
| Seclin to Arnedo | 625.04 mi (1,005.91 km) |
| Seclin to Arona | 1,862.26 mi (2,997.01 km) |
| Seclin to Arrecife | 1,723.17 mi (2,773.17 km) |
| Seclin to Arrigorriaga | 578.60 mi (931.16 km) |
| Seclin to Arroyomolinos | 785.06 mi (1,263.44 km) |
| Seclin to Arteijo | 738.09 mi (1,187.84 km) |
| Seclin to Arucas | 1,828.41 mi (2,942.55 km) |
| Seclin to Aspe | 863.39 mi (1,389.49 km) |
| Seclin to Astorga | 705.57 mi (1,135.51 km) |
| Seclin to Atarfe | 978.60 mi (1,574.91 km) |
| Seclin to Avila | 777.95 mi (1,251.99 km) |
| Seclin to Aviles | 639.73 mi (1,029.54 km) |
| Seclin to Ayamonte | 1,056.15 mi (1,699.71 km) |
