| South Houston to Ascoli Piceno | 5,697.82 mi (9,169.76 km) |
| South Houston to Asola | 5,477.08 mi (8,814.50 km) |
| South Houston to Asolo | 5,517.26 mi (8,879.17 km) |
| South Houston to Assemini | 5,630.30 mi (9,061.09 km) |
| South Houston to Assisi | 5,648.52 mi (9,090.42 km) |
| South Houston to Asti | 5,395.81 mi (8,683.72 km) |
| South Houston to Atessa | 5,764.80 mi (9,277.55 km) |
| South Houston to Atri | 5,724.97 mi (9,213.45 km) |
| South Houston to Atripalda | 5,826.03 mi (9,376.09 km) |
| South Houston to Augusta | 5,988.97 mi (9,638.31 km) |
| South Houston to Aulla | 5,494.39 mi (8,842.37 km) |
| South Houston to Aurisina | 5,593.81 mi (9,002.36 km) |
| South Houston to Avellino | 5,824.46 mi (9,373.56 km) |
| South Houston to Aversa | 5,797.22 mi (9,329.72 km) |
| South Houston to Avezzano | 5,722.95 mi (9,210.19 km) |
