| Middle River to Argentona | 3,994.54 mi (6,428.59 km) |
| Middle River to Arico el Nuevo | 3,463.65 mi (5,574.21 km) |
| Middle River to Armilla | 3,841.21 mi (6,181.83 km) |
| Middle River to Arnedo | 3,765.45 mi (6,059.90 km) |
| Middle River to Arona | 3,456.99 mi (5,563.50 km) |
| Middle River to Arrecife | 3,593.68 mi (5,783.46 km) |
| Middle River to Arrigorriaga | 3,701.68 mi (5,957.27 km) |
| Middle River to Arroyomolinos | 3,735.06 mi (6,010.99 km) |
| Middle River to Arteijo | 3,435.80 mi (5,529.38 km) |
| Middle River to Arucas | 3,517.82 mi (5,661.38 km) |
| Middle River to Aspe | 3,943.33 mi (6,346.18 km) |
| Middle River to Astorga | 3,572.43 mi (5,749.27 km) |
| Middle River to Atarfe | 3,835.36 mi (6,172.42 km) |
| Middle River to Avila | 3,686.66 mi (5,933.11 km) |
| Middle River to Aviles | 3,551.94 mi (5,716.30 km) |
