According to Google maps, using just the cities and not street addresses it is 1770 miles one way.
Calgary to Regina is 470 miles. Regina to Houston is about 1850 miles.
The distance from Montreal to Sydney is 9,954 miles.
Chicago to Montreal is about 850 miles.
Montreal is in Quebec. If you mean Quebec City, it's about 160 miles from Montreal.
about 2000 miles
Montreal, Canada - 140.98 square miles (city).
800
It is between 220 and 250 miles from Montreal to Kennebunkport, Maine.
1,071 miles
1071 miles
There are roughly 1800 miles between Regina, SK and Tucson, AR.
2306 miles