There are
2,419 mi
from Boise, ID to Phoenixville, PA
That's the driving distance. It would take 1 day 18 hours to go from Boise, Idaho to Phoenixville, Pennsylvania.
The flight distance (direct flight from Boise, ID to Phoenixville, PA) is 2,087.84 mi.
2,419 mi = 3.22 kms