Maybe south to Scotiabank Place?
Cun Zhang, Metro has the map.. it is in blue, on the other side of 417 you marked..
http://www.metronews.ca/ottawa/local/article/1030260--plans-for-kanata-outlet-mall-announced
I checked, Woodbury Common Premium Outlets has 800,000 sq ft with 220 stores; the Kanata one will have 350,000 sq ft by design..
Roughly half the size..