There are
1,956 mi
from Hayward, CA to Weslaco, TX
That's the driving distance. It would take 1 day 9 hours to go from Hayward, California to Weslaco, Texas.
The flight distance (direct flight from Hayward, CA to Weslaco, TX) is 1,614.21 mi.
1,956 mi = 1.61 kms