There are
1,725 mi
from Nampa, ID to Griffith, IN
That's the driving distance. It would take 1 day 5 hours to go from Nampa, Idaho to Griffith, Indiana.
The flight distance (direct flight from Nampa, ID to Griffith, IN) is 1,482.43 mi.
1,725 mi = 2,776.84 kms