| Houston to Alhendin | 5,099.99 mi (8,207.65 km) |
| Houston to Alicante | 5,218.16 mi (8,397.81 km) |
| Houston to Aljaraque | 4,927.13 mi (7,929.45 km) |
| Houston to Almagro | 5,044.92 mi (8,119.01 km) |
| Houston to Almansa | 5,172.32 mi (8,324.05 km) |
| Houston to Almazora | 5,188.84 mi (8,350.63 km) |
| Houston to Almendralejo | 4,917.87 mi (7,914.55 km) |
| Houston to Almeria | 5,167.05 mi (8,315.57 km) |
| Houston to Almonte | 4,952.28 mi (7,969.93 km) |
| Houston to Almoradi | 5,210.61 mi (8,385.67 km) |
| Houston to Almunecar | 5,109.31 mi (8,222.64 km) |
| Houston to Almusafes | 5,192.16 mi (8,355.98 km) |
| Houston to Alovera | 5,017.81 mi (8,075.39 km) |
| Houston to Alpedrete | 4,978.62 mi (8,012.31 km) |
| Houston to Altea | 5,231.07 mi (8,418.60 km) |
