Walmart Canada says it will spend about $165 million for the leases and properties and a further $185 million on renovations.
The $350-million plan is subject to court approval, as part of Target's exit from the Canadian market.
Walmart expects renovations to start in a few months and to employ about 1,500 trade and construction workers.
It also plans to hire about 2,400 people to set up and staff the stores and another 1,000 for the distribution centre.
One of the stores is in Winnipeg and the others are in British Columbia, Ontario and Quebec.
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