You do not have to walk for hours, count calories or steps. A brisk 20-minute daily walk has many health benefits and covers your recommended 20 minutes of exercise a day. If you want to do more gradually increase your pace or distance (not both at the same time though).
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A distance of 2 miles should take around 30 minutes. 1 mile will take around 14 minutes, while 0.8 miles will take around 11 minutes.
As a general rule, the faster you go, the more calories you will burn exponentially since your body uses more energy to go faster. At a moderate speed per hour you will burn less calories than walking at a faster rate, e.g. a moderate to fast pace.
Several studies have found shown high-intensity training (HIIT) significantly reduces total abdominal fat, including visceral belly fat more effectively than lower-intensity exercise like walking.
2 miles should take about 27 minutes on average.
Calories Burned in 27 minutes
Weight 100lb:150
Weight 120lb:180
Weight 125lb:188
Weight 150lb:225
Weight 175lb:263
Weight 200lb:300
Weight 250lb:375
Weight 300lb:450
Calories Burned in 40 minutes
Weight 100lb:222
Weight 120lb:267
Weight 125lb:278
Weight 150lb:333
Weight 175lb:389
Weight 200lb:445
Weight 250lb:556
Weight 300lb:667
Calories Burned in 45 minutes
Weight 100lb:250
Weight 120lb:300
Weight 125lb:313
Weight 150lb:375
Weight 175lb:438
Weight 200lb:500
Weight 250lb:625
Weight 300lb:750
Calories Burned in 1 hour 15 mins
Weight 100lb:417
Weight 120lb:500
Weight 125lb:521
Weight 150lb:625
Weight 175lb:729
Weight 200lb:833
Weight 250lb:1042
Weight 300lb:1250
Calories Burned in 1 hour 30 mins
Weight 100lb:500
Weight 120lb:600
Weight 125lb:625
Weight 150lb:750
Weight 175lb:875
Weight 200lb:1000
Weight 250lb:1250
Weight 300lb:1500
Calories Burned in 2 hours
Weight 100lb:667
Weight 120lb:800
Weight 125lb:833
Weight 150lb:1000
Weight 175lb:1167
Weight 200lb:1334
Weight 250lb:1667
Weight 300lb:2000