| Houston to Trim | 4,536.30 mi (7,300.47 km) |
| Houston to Tuam | 4,456.26 mi (7,171.66 km) |
| Houston to Tullamore | 4,514.51 mi (7,265.40 km) |
| Houston to Waterford | 4,550.53 mi (7,323.37 km) |
| Houston to Wexford | 4,575.79 mi (7,364.03 km) |
| Houston to Wicklow | 4,578.52 mi (7,368.42 km) |
| Houston to Abano Terme | 5,528.64 mi (8,897.48 km) |
| Houston to Abbiategrasso | 5,408.60 mi (8,704.30 km) |
| Houston to Acate | 5,966.57 mi (9,602.27 km) |
| Houston to Acerra | 5,805.87 mi (9,343.65 km) |
| Houston to Aci Castello | 5,974.96 mi (9,615.78 km) |
| Houston to Aci Catena | 5,972.63 mi (9,612.01 km) |
| Houston to Aci Sant'Antonio | 5,971.89 mi (9,610.82 km) |
| Houston to Acireale | 5,973.45 mi (9,613.33 km) |
| Houston to Acquaviva delle Fonti | 5,913.35 mi (9,516.62 km) |
