About 4 minutes and 2 seconds.
If you are going "one mile per hour", it takes exactly one hour to go a mile.
A knot is 1 nautical mile per hour and 1.151 land miles per hour
At 1 mile an hour, one hour. At 60 miles per hour, one minute.
About 9 mins.
48 seconds.
15 miles per hour
At 150 miles per hour you cover 2.5 miles per minute thus to cover 1 mile will take 0.4minutes or 24 seconds
1 hour and 20 minutes.
One hour
In 1 hour (at two miles per hour) you would have walked two miles. Therefore, half a mile would take 15 minutes.
60 minutes at 60 miles per hour = a mile a minute
It depends on your speed