Depends on the referenced point
1 knots = 1.15077945 miles 23 knots = 26.46792735 miles
800 knots = 920.623558 miles
90 knots = 103.57015 mph
29.9202656 mph
41 Knots is 47.19 miles per hour.
40 knots=46.0311779 miles per hour
36 knots=41.4280601 miles per hour
439 knots=505.192178 miles per hour
287.631 knots.
1 mph = 0.87 knots
450 Knots is 517.95 miles per hour.
517.5