Miles between Boulder, CO and Merrillville, IN

There are
1,038 mi
from Boulder, CO to Merrillville, IN

That's the driving distance. It would take 18 hours 30 mins to go from Boulder, Colorado to Merrillville, Indiana.

The flight distance (direct flight from Boulder, CO to Merrillville, IN) is 942.69 mi.

1,038 mi = 1.61 kms