| Houston to Arcore | 5,416.93 mi (8,717.71 km) |
| Houston to Ardea | 5,701.97 mi (9,176.43 km) |
| Houston to Arenzano | 5,433.93 mi (8,745.06 km) |
| Houston to Arese | 5,409.53 mi (8,705.79 km) |
| Houston to Arezzo | 5,603.34 mi (9,017.70 km) |
| Houston to Argelato | 5,539.64 mi (8,915.18 km) |
| Houston to Argenta | 5,558.25 mi (8,945.13 km) |
| Houston to Ariano Irpino | 5,828.66 mi (9,380.32 km) |
| Houston to Ariccia | 5,703.15 mi (9,178.34 km) |
| Houston to Arluno | 5,405.75 mi (8,699.72 km) |
| Houston to Arona | 5,381.18 mi (8,660.18 km) |
| Houston to Artena | 5,713.24 mi (9,194.57 km) |
| Houston to Arzachena | 5,583.65 mi (8,986.01 km) |
| Houston to Arzano | 5,802.89 mi (9,338.86 km) |
| Houston to Arzignano | 5,504.16 mi (8,858.09 km) |
