There are
1,877 mi
from Ontario, CA to Otsego, MN
That's the driving distance. It would take 1 day 9 hours to go from Ontario, California to Otsego, Minnesota.
The flight distance (direct flight from Ontario, CA to Otsego, MN) is 1,487.09 mi.
1,877 mi = 3,021.26 kms