There are
1,137 mi
from Conroe, TX to Mendota Heights, MN
That's the driving distance. It would take 20 hours 40 mins to go from Conroe, Texas to Mendota Heights, Minnesota.
The flight distance (direct flight from Conroe, TX to Mendota Heights, MN) is 1,014.65 mi.
1,137 mi = 1,829.95 kms