Miles between Thornton, CO and Meridian, ID

There are
815 mi
from Thornton, CO to Meridian, ID

That's the driving distance. It would take 13 hours 35 mins to go from Thornton, Colorado to Meridian, Idaho.

The flight distance (direct flight from Thornton, CO to Meridian, ID) is 642.37 mi.

815 mi = 1,311.55 kms