Roughly 15 hours.
The shortest route is I-75 N.
Yes, one can drive from Atlanta, GA to Canada. Heading north on I-75 towards Detroit, MI, then crossing the border into Canada is probably the shortest route to Canada from Atlanta. That trip is about 725 miles and would take about 11 hours, driving non-stop.
It is the shortest route
at least 1 hour 28 minutes. (i looked on google maps. the time depends on the route you are taking. that answer is the shortest answer)
The quickest and shortest route is I-5 North.
The shortest route by taking I-35 is about 554 miles and would take about 9 hours and 16 minutes to drive it.
The shortest distance is via route US-72 E. The shortest time is via route I-40 E and I-24 E.
From Florida to Texas via the shortest route - you would pass through... Alabama, Mississippi, and Louisiana.
I-85 South through Durham, Greensboro, and Charlotte.
To drive it there the shortest route is to use the Hollyhead Ferry.
The flight distance from Atlanta, GA, to Tokyo, Japan, is 6876 miles (11066 km) by the shortest aerial route.
The quickest route in regards to the shortest number of miles driven can be found on Mapquest.