All of these statements are related. It takes two hours to drive to Columbus because of the distance Columbus is from Bowling Green and because of how fast we drive. If you drive faster than and average person, you can get there more quickly. If you drive slower, it takes more time. If instead of driving to Columbus you drive to a closer city, Toledo say, it will take you less time to get there. If you drive to a further city, Chicago for example, it takes more time to get there.