To lose 1 pound of fat, you must burn 3,500 calories. Depending on your body weight, you can burn anywhere from 90 to 360 calories during 30 minutes of moderate to vigorous walking exercise and burn fat safely over time, without walking 25 to 39 miles at once.
https://www.reference.com/health/far-walk-burn-1-pound-fat-b6ffe55fa6f1f972
To burn 1 pound of body fat, a person weighing 150 pounds has to walk 39 miles at an average pace of two miles per hour, burning 90 calories per mile. It takes 26 miles when walking at a pace of 3.5 miles per hour at 135 calories per mile. Continue Reading.
https://www.reference.com/health/far-walk-burn-1-pound-fat-b6ffe55fa6f1f972
1 Mile walked = 100 calories burned. 1 Pound = 3500 calories. 2 Pound weight loss per week = 7000 cal, or a 500 cal deficit per day. 1 Pound weight loss per week just by walking = 5 extra miles walked per day - or 10,560 extra steps (in addition to the distance that you are currently covering while maintaining weight)
https://www.fitnessblender.com/blog/how-many-extra-miles-do-you-need-to-walk-a-day-to-lose-weight
Well if you walk 14 miles a week and eat 3500 less calorie in a week to you loss 2 pound a week so that's still only 8 lbs, you have to burn 3500 calorie for every pound of bo…dy fat, 2 mile walk would burn around 200 cals. So a lot of walking for 20 pounds.
http://www.answers.com/Q/How_far_should_you_walk_to_lose_1_pound
You'll accomplish your 10-pound drop on the scale in half the time by walking for an hour rather than 30 minutes, because you'll complete more miles. If you walk for one hour at a 2-mile pace, you'll burn 159 calories, double what you would burn walking for 30 minutes at the same pace. But walking at a 4-mile-an-hour pace will take you twice as far and burn 318 calories, a significant difference, according to the UNM Health Sciences Center calculator.
http://healthyeating.sfgate.com/far-walk-lose-10-pounds-9169.html
If you burn 300 calories per day walking, then cut 500 calories from your daily intake, you have a deficit of 800 calories per day, or 5,600 calories per week. That adds up to 1.6 pounds per week. At that rate, you'll achieve your goal in a little more than six weeks.
http://healthyeating.sfgate.com/far-walk-lose-10-pounds-9169.html
Quick Answer. Since 3,500 calories equals 1 pound of fat, a 180-pound person is able lose 1 pound by walking 35 miles, according to About.com. Every mile walked burns 100 calories for a person who weighs 180 pounds, and 65 calories per mile for a 120-pound person. Continue Reading.
https://www.reference.com/health/many-miles-walk-lose-1-pound-64bde39aaabad69a
generally, walking burns 100 calories per mile. seeing as a pound of fat is 3500, you'd have to walk 35 miles to burn 1lb of fat. :D.
http://www.answers.com/Q/How_far_should_you_walk_to_lose_1_pound
If you plan to lose 20 pounds by walking alone, try to burn at least 250 extra calories during your walk per day. For example, if you weigh 160 pounds you'd have to walk at least 40 minutes per day at a pace of 4 miles per hour to lose ½ pound per week. If you're unsure of your pace, try walking on a treadmill to give you a better idea.
http://www.fitday.com/fitness-articles/fitness/weight-loss/understanding-weight-loss-how-to-lose-20-pounds-by-walking.html
At a weight loss rate of ½ -1 pound per week, it will likely take you at least 20 weeks to lose 20 pounds. Losing weight at this pace is safe and will help you keep the weight off long term. To accomplish a weight loss of ½ - 1 pound per week, try to burn an extra 250-500 calories per day by walking.
http://www.fitday.com/fitness-articles/fitness/weight-loss/understanding-weight-loss-how-to-lose-20-pounds-by-walking.html
how far do you have to walk to lose one pound
You have to walk 39 miles far  to lose one pound. You have to walk 39 miles to lose one pound. 