There are
2,146 mi
from Vancouver, WA to Merrillville, IN
That's the driving distance. It would take 1 day 13 hours to go from Vancouver, Washington to Merrillville, Indiana.
The flight distance (direct flight from Vancouver, WA to Merrillville, IN) is 1,777.17 mi.
2,146 mi = 3.22 kms