Miles between Boulder, CO and South Lyon, MI

There are
1,259 mi
from Boulder, CO to South Lyon, MI

That's the driving distance. It would take 22 hours 25 mins to go from Boulder, Colorado to South Lyon, Michigan.

The flight distance (direct flight from Boulder, CO to South Lyon, MI) is 1,132.75 mi.

1,259 mi = 1.61 kms