There are
2,143 mi
from Upland, CA to Smyrna, GA
That's the driving distance. It would take 1 day 13 hours to go from Upland, California to Smyrna, Georgia.
The flight distance (direct flight from Upland, CA to Smyrna, GA) is 1,889.74 mi.
2,143 mi = 3.22 kms