There are
2,692 mi
from Philadelphia, PA to Walla Walla, WA

That's the driving distance. It would take 1 day 23 hours to go from Philadelphia, Pennsylvania to Walla Walla, Washington.

The flight distance (direct flight from Philadelphia, PA to Walla Walla, WA) is 2,194.19 mi.

2,692 mi = 3.22 kms