There are 296.56 miles from Boise to Salt Lake City in southeast direction and 340 miles (547.18 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 55 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 Heyburn, ID.
Boise, ID and Salt Lake City, UT are in the same time zone (Mountain Daylight Time). Current time in both locations is 9:11 am.
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