I'm not quite sure why anyone would want the specific miles for sub-250 (as the minimum "full credit" is 250), but I see YVR-YLW is in the chart, so I'll confirmed at 178.

And for those who use the PNR viewer (I've pointed it out to the cow), note that any <250 mile flights show the predicted miles credited as the miles actually flown, not the 250 mile minimum, so you may end up with a better cushion than expected. Also any COS bonus miles will be based on the minimum, not the physical miles flown. (Perhaps this was mentioned at some point above, but I missed it.)