Upvote:1
Brilliantly, they're not clear on the embassy website for Aussies in Canada. However, after some searching it comes down to two options.
We are equally committed to prompt processing of passport applications made overseas at any Australian diplomatic or consular mission. In most cases an eligible applicant's full validity passport will be available for collection or despatch from the mission within ten working days of a passport interview if all our requirements are met. It will be issued by one of our passport production centres - London, Washington, or Canberra. You should allow extra time for local mail delivery if you have requested that the passport be mailed to you.
They also point out that if you need it sooner, you should resort to option 1.