If you have the distance (in miles) in 9 hours, divide the distance by 9.
450 miles.
100 knots = 115.078 mph
It takes A/680 hours.
It will take 3 hours 19 minutes.
It is roughly 9 hours by car.
At an average 60 mph: 9 hours
9 hours 34 minutes.
9 hours 17 minutes @60 mph
9 hours 40 minutes at 60 mph
9 hours, 49 minutes, 5.45 seconds
9 hours 57 minutes at 60 mph
9 hours 43 minutes at 60 mph
9 hours, 39 minutes, 26 seconds
At an average 60 mph: 9 hours, 17 minutes
About 6 hours 9 minutes at 60 mph
9 hours, 5 minutes, 27.27 seconds
At an average 60 mph: 9 hours, 11 minutes