Miles between Boulder, CO and Grandville, MI

There are
1,172 mi
from Boulder, CO to Grandville, MI

That's the driving distance. It would take 20 hours 48 mins to go from Boulder, Colorado to Grandville, Michigan.

The flight distance (direct flight from Boulder, CO to Grandville, MI) is 1,027.23 mi.

1,172 mi = 1.61 kms