| South Houston to Argentona | 5,251.09 mi (8,450.82 km) |
| South Houston to Arico el Nuevo | 4,660.52 mi (7,500.39 km) |
| South Houston to Armilla | 5,097.52 mi (8,203.66 km) |
| South Houston to Arnedo | 5,022.99 mi (8,083.72 km) |
| South Houston to Arona | 4,652.64 mi (7,487.70 km) |
| South Houston to Arrecife | 4,804.23 mi (7,731.66 km) |
| South Houston to Arrigorriaga | 4,958.45 mi (7,979.85 km) |
| South Houston to Arroyomolinos | 4,993.57 mi (8,036.38 km) |
| South Houston to Arteijo | 4,693.97 mi (7,554.22 km) |
| South Houston to Arucas | 4,717.16 mi (7,591.54 km) |
| South Houston to Aspe | 5,201.63 mi (8,371.21 km) |
| South Houston to Astorga | 4,830.69 mi (7,774.24 km) |
| South Houston to Atarfe | 5,091.73 mi (8,194.34 km) |
| South Houston to Avila | 4,945.19 mi (7,958.51 km) |
| South Houston to Aviles | 4,809.33 mi (7,739.87 km) |
