| Houston to Albenga | 5,426.69 mi (8,733.41 km) |
| Houston to Alberobello | 5,934.26 mi (9,550.26 km) |
| Houston to Albignasego | 5,532.16 mi (8,903.14 km) |
| Houston to Albinea | 5,506.98 mi (8,862.63 km) |
| Houston to Albino | 5,432.21 mi (8,742.29 km) |
| Houston to Alcamo | 5,860.49 mi (9,431.55 km) |
| Houston to Alessandria | 5,413.11 mi (8,711.57 km) |
| Houston to Alfonsine | 5,571.53 mi (8,966.51 km) |
| Houston to Alghero | 5,554.91 mi (8,939.76 km) |
| Houston to Alpignano | 5,360.34 mi (8,626.64 km) |
| Houston to Altamura | 5,904.10 mi (9,501.74 km) |
| Houston to Altavilla Vicentina | 5,508.93 mi (8,865.76 km) |
| Houston to Altofonte | 5,872.80 mi (9,451.35 km) |
| Houston to Altopascio | 5,539.84 mi (8,915.52 km) |
| Houston to Alzano Lombardo | 5,430.43 mi (8,739.43 km) |
