There are
2,959 mi
from Irvine, CA to Concord, NH
That's the driving distance. It would take 2 days 6 hours to go from Irvine, California to Concord, New Hampshire.
The flight distance (direct flight from Irvine, CA to Concord, NH) is 2,553.65 mi.
2,959 mi = 3.22 kms