Miles between Union, NJ and Post Falls, ID

There are
2,521 mi
from Union, NJ to Post Falls, ID

That's the driving distance. It would take 1 day 20 hours to go from Union, New Jersey to Post Falls, Idaho.

The flight distance (direct flight from Union, NJ to Post Falls, ID) is 2,140.44 mi.

2,521 mi = 4,057.29 kms