There are
2,359 mi
from Union City, TN to Arcata, CA
That's the driving distance. It would take 1 day 18 hours to go from Union City, Tennessee to Arcata, California.
The flight distance (direct flight from Union City, TN to Arcata, CA) is 1,901.95 mi.
2,359 mi = 3,795.82 kms