There are 1,391.51 miles from Greensboro to Thornton in west direction and 1,598 miles (2,571.73 kilometers) by car, following the I-70 and US-40 W and KS 4 W route.
Greensboro and Thornton are 23 hours 35 mins far apart, if you drive non-stop .
This is the fastest route from Greensboro, NC to Thornton, CO. The halfway point is Williamsburg, MO.
Please note the time difference between Greensboro, NC and Thornton, CO is 2 hours. The current time in Greensboro is 11:14 am and the current time in Thornton is 9:14 am.
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