Miles between Boulder, CO and Bay City, MI

There are
1,319 mi
from Boulder, CO to Bay City, MI

That's the driving distance. It would take 23 hours 27 mins to go from Boulder, Colorado to Bay City, Michigan.

The flight distance (direct flight from Boulder, CO to Bay City, MI) is 1,125.30 mi.

1,319 mi = 1.61 kms