How far is it from Vancouver BC to Lake Louise BC?

Its about 848 miles away by car. For complete details go to

google.com/maps?f=d&source=s_d&saddr=Vancouver+BC&daddr=224+Banff+Ave,+Banff,+AB,+Canada+(Banff+National+Park">http://maps.google.com/maps?f=d&source=s_d&saddr=Vancouver+BC&daddr=224+Banff+Ave,+Banff,+AB,+Canada+(Banff+National+Park)&hl=en&geocode=%3BFVbmDAMdXocc-SFrJu7i3SFl2Q&mra=mr&mrcr=0&sll=52.133488,-118.344727&sspn=11.070674,28.300781&ie=UTF8&t=h&z=5