From Austin: About 215 miles. From Houston: About 255 miles.
Austin to Houston is 162 miles. Austin to Dallas is 195 miles.
About 160 miles
It is 165.40 miles according to MapQuest.
182 miles
160 miles taking SH-71 EAST (towards HOUSTON) to I-10 EAST to HOUSTON, and then I-10 EAST into Houston.
== == ACTUALLY IT'S 162 ACCORDING TO RAND McNALLY
From Austin Tx, to Houston Tx- It is 165 miles.
It is about 165 miles.
65 miles
The driving distance from Austin to George Bush Intercontinental Airport is 167 road miles.
It is 163 miles taking SH-71 EAST to IH-10 EAST, then IH-10 EAST to Houston.