Each km (kilometer) is the same as about 0.621 mile.
A long time.
Depends on how fast you walk.
Around 8 minutes it takes to walk 0.8 km
about 50 mintues
half a second if you walk fast
2 km = 1.2 miles. At a normal pace it should take about 20-25 minutes to walk that far.
5 hours.
It Takes 20 mins
9/6 hours To walk 9 km at 6 km/hr will take one and one half hours.
If you walk with the speed of 6 km per hour then it will take 25 minutes
He needs to walk for 18 seconds to travel 5 metres at 1 km/hr.
it depends if you have someone with you and your mode of transport