That depends on speed and the ability to maintain that speed. If I can walk at 3 miles per hour and never stop or slow then I can travel 72 miles in a 24 hour period. (3 times 24 is 72) If I fly at...
Completely relative question; it depends on your speed, as: At the speed of light, about 7 minutes At the speed of a Tachyon (you are already there) At the speed of a car (on an American highway, 60...