It is 737 miles according to Google Maps.
690 miles.
The distance between Seattle WA and Boise ID is about 505 road miles.
There are about 563 miles between Boise, ID and Creston, BC, Canada.
181 miles
1340 miles
115 miles
About 260 miles.
According to Google Maps, it is 736 miles or 1,184 km from Boise, Idaho to Cheyenne, Wyoming.
The Distance between Boise, Idaho and Calgary, AB, Canada is 1,437km. This is roughly a 14 hour driving time, or a 4 1/4 hr. flight.
The shortest driving distance is 2,432 miles.
482 miles, on US 95