There are
1,948 mi
from Pittsburg, CA to Mcallen, TX
That's the driving distance. It would take 1 day 9 hours to go from Pittsburg, California to Mcallen, Texas.
The flight distance (direct flight from Pittsburg, CA to Mcallen, TX) is 1,600.34 mi.
1,948 mi = 3,135.41 kms