There are 296.56 miles from Boise to Salt Lake City in southeast direction and 339.94 miles (547.08 kilometers) by car, following the I-84 and US-20 and US-26 and US-30 route.
Boise and Salt Lake City are 5 hours 16 mins far apart, if you drive non-stop.
This is the fastest route from Boise, ID to Salt Lake City, UT. The halfway point is .
Boise, ID and Salt Lake City, UT are in the same time zone (MDT). Current time in both locations is 8:10 am.
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