There are 1,229.18 miles from Boulder City to Armstrong in east direction and 1,505 miles (2,422.06 kilometers) by car, following the I-70 route.
Boulder City and Armstrong are 21 hours 49 mins far apart, if you drive non-stop .
This is the fastest route from Boulder City, NV to Armstrong, MO. The halfway point is Aurora, CO.
Please note the time difference between Boulder City, NV and Armstrong, MO is 2 hours. The current time in Boulder City is 11:55 pm (Mar 28) and the current time in Armstrong is 1:55 am (Mar 29).
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