| Seini to Arico el Nuevo | 2,513.65 mi (4,045.33 km) |
| Seini to Armilla | 1,543.55 mi (2,484.10 km) |
| Seini to Arnedo | 1,291.41 mi (2,078.33 km) |
| Seini to Arona | 2,526.07 mi (4,065.31 km) |
| Seini to Arrecife | 2,347.45 mi (3,777.86 km) |
| Seini to Arrigorriaga | 1,299.35 mi (2,091.09 km) |
| Seini to Arroyomolinos | 1,437.30 mi (2,313.11 km) |
| Seini to Arteijo | 1,557.91 mi (2,507.21 km) |
| Seini to Arucas | 2,474.18 mi (3,981.81 km) |
| Seini to Aspe | 1,369.33 mi (2,203.72 km) |
| Seini to Astorga | 1,467.51 mi (2,361.73 km) |
| Seini to Atarfe | 1,543.76 mi (2,484.45 km) |
| Seini to Avila | 1,460.06 mi (2,349.75 km) |
| Seini to Aviles | 1,430.41 mi (2,302.02 km) |
| Seini to Ayamonte | 1,710.35 mi (2,752.55 km) |
