1:02:17
Since a stationary bike doesn't move, there's no way it can travel 20 miles. Now, if you're asking how long it would take to ride twenty miles on a bicycle, it depends on speed, wind, and other factors. Typically a bike maximum speed is about 20 miles per hour. So it would take about an hour to ride 20 miles on a REGULAR moving bicycle.
4 hours 9 minutes.
20/12=1 2/3 hours. Or 1 hour, 40 minutes.
Depends on the speed your cycling at...
1. Fortunately you carry a tire patch kit and bicycle pump with you, so you repair your tire. 2. It is not impossible to walk 5 miles if you have to. 3. You take out your cell phone and call a taxi to take you home. 4. Hitchhike. 5. You ride the bicycle anyway; you get a bumpier ride with a flat tire, but the bicycle still carries you.
Nine minutes.
That's coast-to-coast, about 2500 miles. How long it'd take depends on how far you'd thing you'd be able to travel each day. Let's say you do 125 miles/day, then you'd need 20 days to do it.
it obviously depends how fast you can ride a bike and how long you can go without stopping
It depends on how fast you are moving. For instance, if you are moving at ten miles per hour, it would take you thirty minutes.
3 halves, or 1.5, or 1 1/2 minutes
600 miles from pompeii to Paris
3 hours 30 minutes.