There are
1,925 mi
from Harlingen, TX to Fernley, NV
That's the driving distance. It would take 1 day 10 hours to go from Harlingen, Texas to Fernley, Nevada.
The flight distance (direct flight from Harlingen, TX to Fernley, NV) is 1,549.69 mi.
1,925 mi = 3,098.03 kms