The answer to this question is dependent on a number of factors, but the most important thing to keep in mind is that it takes longer for your car to stop at higher speeds. In 55 miles, you will cover approximately __ feet and take about __ seconds before you come to a complete stop. How Far Will You Travel In 55 Miles At 45 Mph? The answer to this question is dependent on a number of factors, but the most important thing to keep in mind is that it takes longer for your car to stop at higher speeds. In 55 miles, you will cover approximately __ feet and take about __ seconds before you come to a complete stop. The answer to this question is dependent on a number of factors, but the most important thing to keep in mind is that it takes longer for your car to stop at higher speeds. In 55 miles, you will cover approximately __ feet and take about __ seconds before you come to a complete stop. The speed limit in many areas is 45 mph; therefore, according to these numbers, if someone were driving at 45 mph they would travel approximately __. It may not seem like much distance over such a short time period until we consider what happens when cars are traveling faster than that legal limit. If someone were going 60 or even 75 mph while speeding down the highway instead of just 45 there’s an increased chance for accidents–and worse outcomes