The DF-41 is Mach 25 (30,000 km/h). DF-61 is Mach 55, purportedly (68,000km/hr).
Earth's circumference is 40,000km. Half of that would be 20,000km. So a Mach 55 hypersonic missile flying the great circle route would be able to reach any target in the world (<20,000km) in under 18 min. So Victor...