The Roos have four of their squad of 30 hailing from the southern state, but Nicole Bresnehan, Mia King, Daria Bannister and Brooke Brown have now made the move north, having previously had a separate training base.
Ellie Gavalas and Britt Gibson are also from Tasmania but have been living in Melbourne in recent years.
"We're really keen to have a full-squad mentality, especially with the season building out a bit (to nine home and away rounds), so it's going to be really important to rely on all 30 girls," coach Darren Crocker told womens.afl.