About six miles.
256 miles
256 miles
395 miles
172.3 miles
460 miles.
131 miles.
About 130 miles.
That would depend on what you are driving, wouldn't it. Since it's only about 20 miles (depending on where in Boise you are and where in Meridian you are going), it shouldn't take more than a couple of gallons in even the most thristy vehicle.
Boise, Idaho is 80.05 sq miles (207.3 km²).
According to Google Maps, it is 736 miles or 1,184 km from Boise, Idaho to Cheyenne, Wyoming.
2000 miles
Boise to Juarez, about 1200 miles