Some were ferried as this one was apparently lost in Newfoundland before the planned ferry flight.
http://www.warbirdregistry.org/pv1ve...ura-aj471.html
https://www.baaa-acro.com/crash/cras...ra-near-benton
This article has a photo of Liberators, Mitchells and Venturas at Doval, Quebec before starting the journey overseas.
http://www.junobeach.org/canada-in-w...afts-overseas/