Miles between Thornton, CO and Geneva, IL

There are
962 mi
from Thornton, CO to Geneva, IL

That's the driving distance. It would take 16 hours 59 mins to go from Thornton, Colorado to Geneva, Illinois.

The flight distance (direct flight from Thornton, CO to Geneva, IL) is 880.36 mi.

962 mi = 1,548.83 kms