well it all depends on where you live. Sometimes depending on where you live you can't drive to Canada at all. you would have to take a plain or boat. Otherwise it could take various amounts of...
The fastest way to drive from the east of Canada to the west or vice versa is actually to cut through the United States to avail oneself of the major highways there. If using such a route you could...
From Vancouver to Fredericton it would take 9.5 hours to fly in a commercial plane since Canada is about 6,000 km across, and it takes a commercial plane 9.5 hours to fly that far.