| South Houston to Trim | 4,536.59 mi (7,300.94 km) |
| South Houston to Tuam | 4,456.45 mi (7,171.96 km) |
| South Houston to Tullamore | 4,514.70 mi (7,265.70 km) |
| South Houston to Waterford | 4,550.49 mi (7,323.31 km) |
| South Houston to Wexford | 4,575.81 mi (7,364.06 km) |
| South Houston to Wicklow | 4,578.71 mi (7,368.72 km) |
| South Houston to Abano Terme | 5,528.40 mi (8,897.10 km) |
| South Houston to Abbiategrasso | 5,408.13 mi (8,703.54 km) |
| South Houston to Acate | 5,965.03 mi (9,599.78 km) |
| South Houston to Acerra | 5,805.04 mi (9,342.31 km) |
| South Houston to Aci Castello | 5,973.58 mi (9,613.55 km) |
| South Houston to Aci Catena | 5,971.25 mi (9,609.80 km) |
| South Houston to Aci Sant'Antonio | 5,970.51 mi (9,608.61 km) |
| South Houston to Acireale | 5,972.08 mi (9,611.13 km) |
| South Houston to Acquaviva delle Fonti | 5,912.75 mi (9,515.66 km) |
