Question: how many calories burned walking 3.5 miles in 1 hour?
Answer: Number of Calories Burned A 125-pound person walking at 3.5 miles per hour, or a 17-minute mile, would burn 108 calories in 30 minutes, or 61 calories per mile. A 155-pound person walking a 17-minute mile would burn 76 calories, while a 185-pound person would burn 90 calories.