There are
1,681 mi
from Allentown, PA to Sweetwater, TX
That's the driving distance. It would take 1 day 6 hours to go from Allentown, Pennsylvania to Sweetwater, Texas.
The flight distance (direct flight from Allentown, PA to Sweetwater, TX) is 1,486.56 mi.
1,681 mi = 1.61 kms