Miles between Thornton, CO and Romulus, MI

There are
1,243 mi
from Thornton, CO to Romulus, MI

That's the driving distance. It would take 22 hours 5 mins to go from Thornton, Colorado to Romulus, Michigan.

The flight distance (direct flight from Thornton, CO to Romulus, MI) is 1,132.88 mi.

1,243 mi = 1.61 kms