433 km.
A Hudson's Bay Post was established at the site of present-day Victoria in 1843. In 1846 it was named Fort Victoria, in honour of Queen Victoria. When the crown colony of Vancouver Island was created...
The distance is 605 miles
It is 845 km and about a ten hour drive.
Which Vancouver?To get to BC from Vancouver, WASHINGTON,Take I-5N. At least, that's what GoogleMaps says.