Welcome to the board, hypervoyage! Referring to QG´s Award Calculator fort he following two free Y-Class tickets:

YUL-MIA-SFO-ORD-YUL: 25.000 miles
YUL-MIA-LIH-LAX-ORD-YUL: 25.000 miles

Please note that this type of bookings are not available online, therefore tickets have to be obtained via your Qualiflyer Service Centre.

Terms & conditions of free tickets using QG miles:
www.flyertalk.com/forum/Forum40/HTML/000706