On a V VLWAPCA ($737) fare YYZ-YOW-YUL-LHR-YUL-YOW-YYZ (maximum permitted miles is 4263 each way and this itinerary is 3554 miles each way), starting November 1, you should earn 17444 Q miles on one Round Trip, presuming you upgrade the YYZ-YOW-YUL YUL-YOW-YYZ legs.
That will put you in easy striking distance.