There are
1,475 mi
from Harlingen, TX to Boca Raton, FL
That's the driving distance. It would take 1 day 3 hours to go from Harlingen, Texas to Boca Raton, Florida.
The flight distance (direct flight from Harlingen, TX to Boca Raton, FL) is 1,090.42 mi.
1,475 mi = 2,374.24 kms