Four orders of magnitude is not 4X.
1 -> 10 is 1 order of magnitude.
1 -> 100 is two orders.
1 -> 1,000 is three.
1 -> 10,000 is four.
So that's ten thousand times the speed of light... (1 year) / 10,000 = 52.5948766 minutes, or about an hour.
The 25 nearest stars to our solar system lie in a range of 4.2 to 11.7 light years; so if we could travel that speed, we could get there in less than 12 hours.
In other words this is “Warp 4” in Star Trek speak