Around 8 minutes it takes to walk 0.8 km
it depends on your walking speed.
A long time.
About 10 hours at the average human walking speed of 9km/h
You can walk 1 km in 6 minutes if you can walk a mile in 10 minutes.
about 50 mintues
Depends on how fast you walk.
For a normally fit and heathly person, about 10 minutes - you should be able to walk 3km in an hour, 1km in 20 minutes and so half a KM in about 10. If it's raining probably longer though
It would take approximately 10-15 minutes to walk 0.85 km at a moderate pace.
2 km = 1.2 miles. At a normal pace it should take about 20-25 minutes to walk that far.
If you walk with the speed of 6 km per hour then it will take 25 minutes
half a second if you walk fast