There are
1,955 mi
from Fremont, CA to Weslaco, TX
That's the driving distance. It would take 1 day 10 hours to go from Fremont, California to Weslaco, Texas.
The flight distance (direct flight from Fremont, CA to Weslaco, TX) is 1,606.38 mi.
1,955 mi = 1.61 kms