[0] https://en.wikipedia.org/wiki/North_Korea_and_weapons_of_mas...
[1] https://missilethreat.csis.org/country/dprk/ 10,000 km gets you to the west coast and significant parts of the western US, 13000 covers the whole of the US. NK has the Hwasong-15 with a nominal range of 15000 km...