There are
2,350 mi
from Harlingen, TX to Mcminnville, OR
That's the driving distance. It would take 1 day 19 hours to go from Harlingen, Texas to Mcminnville, Oregon.
The flight distance (direct flight from Harlingen, TX to Mcminnville, OR) is 1,927.32 mi.
2,350 mi = 3,781.80 kms