It is about 24-28 hours if you don't stop and weather and traffic conditions are favorable. Driving through the mountains in Pennsylvania can be harsh if mother nature is not cooperating. Also beware of heavy traffic in NY and Washington, as early as 4am :(
Depends on how fast you drive
how long is to take drive from Montreal to Newfoundland
2,270 km
6 hours
mapquest.com
7 hours
The drive from Halifax, NS to Montreal is 1,246 km - about 12 hours 49 mins.
2 hours and 15 minutes
It takes about 2 hours and 36 minutes.
24 hrs
about an hour
It depends on the speed at which you drive.