It is 983 miles and an estimated 16 hours and 16 minutes of driving time according to Google Maps.
Winnipeg is a city in, and the capital of the Canadian Province of Manitoba.
2 hours
3hrs
3 hours and 45 min
45 minutes
940 kilometers if you drive to Winnipeg and then Winnipeg to Minneapolis
487 miles
37 hours
21km
From where in Ontario to where in Manitoba? If you mean from the border to Winnipeg, that is a 2 1/2 hour drive.
The shortest time is 33 hours.
About 3.5 hours.