What is the distance between Boulder Colorado and Denver Colorado?

Answer 1

690 miles taking this route:

1. Take I-70 WEST, from Dillon, to U.S. 191 SOUTH to MOAB at EXIT 182 in Crescent Junction, Utah.
2. Follow U.S. 191 SOUTH to U.S. 160 WEST in Arizona.
3. Continue on U.S. 160 WEST to U.S. 89; turn left onto U.S. 89 SOUTH to FLAGSTAFF.
4. Take U.S. 89 SOUTH to I-17 SOUTH to PHOENIX in Flagstaff; follow signs to I-17 SOUTH to PHOENIX.
5. Take I-17 SOUTH to SR-169 to PRESCOTT at EXIT 278.
6. Follow SR-169 WEST to Dewey.

Answer 2

The distance is 59 miles.

Answer 3

It is 28.29 miles according to MapQuest.