The distance between Denver, CO and Boise, ID is 637.0 miles(1026.0 km).
According to MapQuest, there is a distance of 715 miles between Denver and Twin Falls going through Salt Lake City, Utah.
641.3 miles
source:
http://www70.wolframalpha.com/input/?i=distance+denver+to+boise
The shortest driving mileage between Colorado Springs, CO and Idaho Falls, ID is 678 miles and takes approximately 11 hours and 23 minutes.
About 645 miles or a 9.5 hour drive.
It is 832 miles according to Google Maps.
700 miles
281 miles
It is 560.50 miles according to MapQuest.
It is 645.65 miles according to MaapQuest.
About 500 miles
It is 842 miles and an estimated 13 hours and 9 minutes of driving time according to Google Maps.
It is 645.66 miles according to MapQuest.
Between Colorado and Idaho, Idaho is the state that is farthest west in the United States. It is also father west than Wyoming, New Mexico and Montana.
That trip will require about 12 hours of driving time to complete.
About 260 miles.
between north and northwest
First Class Mail is delivered in three to five days.
It is 733 miles via Grand Junction, Provo, Salt Lake City and Twin Falls.
275 miles