There are
1,952 mi
from Reno, NV to Weslaco, TX
That's the driving distance. It would take 1 day 11 hours to go from Reno, Nevada to Weslaco, Texas.
The flight distance (direct flight from Reno, NV to Weslaco, TX) is 1,560.75 mi.
1,952 mi = 3,141.29 kms