What is the distance of the sun from earth?

Currently $91.45$ million miles which is about $147.2$ million kilometres.
The distance of the sun from the Earth varies between a minimum of about $91$ million miles in early January to a maximum of about $94.5$ million miles in early July.
The average distance over the year is about $93$ million miles, which is about $149.5$ million kilometres. This average distance is $1 A U$ (astronomical unit).