This is completely dependent on how fast you travel. Speed is distance/time.
2100 miles away from Denver (what a long ride and about 12 hrs)
The time it takes to ride 8 miles on a bike depends on your speed. On average, it would take about 30-45 minutes to ride 8 miles at a moderate pace of 12-16 miles per hour.
About 12 miles.
20 minutes.
20/12=1 2/3 hours. Or 1 hour, 40 minutes.
It depends on how fast you can ride a bike!
20.6 miles per hour.
Think about it. 12 yards is about the length of three cars parked bumper-to-bumper. You'd need to ride AMAZINGLY slow to get that distance to last one hour.
It is 1.2 miles running or biking. (And it is a great ride).
20/12 = 5/3 hour = 12/3 hours = 1hour 40minutes
66 miles long
140 miles long!!!!