| Mission to Ames | 4,995.11 mi (8,038.86 km) |
| Mission to Amorebieta | 5,264.33 mi (8,472.13 km) |
| Mission to Amposta | 5,491.00 mi (8,836.91 km) |
| Mission to Amurrio | 5,256.45 mi (8,459.43 km) |
| Mission to Andoain | 5,297.57 mi (8,525.61 km) |
| Mission to Andraitx | 5,612.87 mi (9,033.04 km) |
| Mission to Andujar | 5,342.65 mi (8,598.17 km) |
| Mission to Antequera | 5,345.15 mi (8,602.19 km) |
| Mission to Antigua | 5,060.59 mi (8,144.24 km) |
| Mission to Aranda de Duero | 5,261.32 mi (8,467.27 km) |
| Mission to Aranjuez | 5,309.96 mi (8,545.55 km) |
| Mission to Archena | 5,476.94 mi (8,814.29 km) |
| Mission to Arcos de la Frontera | 5,289.40 mi (8,512.47 km) |
| Mission to Arenys de Mar | 5,556.45 mi (8,942.25 km) |
| Mission to Arenys de Munt | 5,555.03 mi (8,939.96 km) |
