If you're thinking of the Duffy Lake road, it's nearer 7 or 8. You drive from Squamish to Pemberton, through Mt Currie to the Duffy Lake Road, which takes you to Lillooet. From there, you drive to Hwy 97 near Cache Creek and then down the Canyon to Hope, Chilliwack and eventually Vancouver.
It's not exactly a commute, but it's a pretty drive.

Actually lily that's the long way around.....from Lillooet you drive south to Lyton, not north to Cache Creek.....of course the Lyton road can itself be a challenge