Miles between St George, UT and Somerton, AZ

There are
420 mi
from St George, UT to Somerton, AZ

That's the driving distance. It would take 8 hours 14 mins to go from St George, Utah to Somerton, Arizona.

The flight distance (direct flight from St George, UT to Somerton, AZ) is 317.39 mi.

420 mi = 675.95 kms