There are 609.10 miles from Las Vegas to Thornton in northeast direction and 755 miles (1,215.05 kilometers) by car, following the I-70 route.
Las Vegas and Thornton are 11 hours 3 mins far apart, if you drive non-stop .
This is the fastest route from Las Vegas, NV to Thornton, CO. The halfway point is Green River, UT.
Please note the time difference between Las Vegas, NV and Thornton, CO is 1 hour. The current time in Las Vegas is 6:16 pm and the current time in Thornton is 7:16 pm.
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