Miles between Boulder, CO and St Matthews, KY

There are
1,134 mi
from Boulder, CO to St Matthews, KY

That's the driving distance. It would take 20 hours 17 mins to go from Boulder, Colorado to St Matthews, Kentucky.

The flight distance (direct flight from Boulder, CO to St Matthews, KY) is 1,056.86 mi.

1,134 mi = 1.61 kms