Miles between Thornton, CO and Ionia, MI

There are
1,192 mi
from Thornton, CO to Ionia, MI

That's the driving distance. It would take 21 hours 16 mins to go from Thornton, Colorado to Ionia, Michigan.

The flight distance (direct flight from Thornton, CO to Ionia, MI) is 1,050.61 mi.

1,192 mi = 1.61 kms