15 to 15 and 1/2 hours
About 21.75 hours of driving time.
MapQuest estimates the driving time as 7 hours and 18 minutes.
The driving distance from St. Paul to Duluth is 1505 miles per Map Quest. The driving time per Map Quest is 2 hours and 20 minutes.
Google Maps estimates the driving time as 20 hours and 3 minutes.
Google Maps estimates the driving time as 7.5 hours.
MapQuest estimates the driving time as 19 hours and 24 minutes.
1 hour, 11 minutes
Google Maps estimates the driving time as 11 hours and 50 minutes.
Google Maps estimates the driving time as 16 hours and 32 minutes.
Google Maps estimates the driving time as 4 hours and 11 minutes.
It is an estimated 22.5 hours of driving time according to MapQuest.
Google Maps estimates the driving time as 28 hours.