There are 539.48 miles from Boulder City to Ammon in northeast direction and 660 miles (1,062.17 kilometers) by car, following the I-15 N route.
Boulder City and Ammon are 9 hours 47 mins far apart, if you drive non-stop.
This is the fastest route from Boulder City, NV to Ammon, ID. The halfway point is Scipio, UT.
Please note the time difference between Boulder City, NV and Ammon, ID is 1 hour. The current time in Boulder City is 2:31 pm and the current time in Ammon is 3:31 pm.
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