I bet if Yellowstone ever detonates in a cataclysmic explosion they’ll be able to hear it from Denver.
Yup, Krakatoa was heard 2,000 miles away and, in the worst case, this would be bigger.
Wed probably hear it in Florida. Lava isnt an issue with this volcano. The ejecta estimates range from 10^11 to 10^12 CM. Given the location; significant earthquakes and possibly other eruptions could be triggered throughout the country. Its explosive index is 7-8:
https://sizes.com/units/volcanic_explosivity_index.htm
Krakatoa was a six; it ejected over 11 cubic miles of ejecta, was heard 3000 miles away and caused a 1.3C drop in global temperature:
http://mentalfloss.com/article/67852/10-facts-about-krakatoas-1883-eruption
No doubt. When Krakatoa blew in 1883, it was heard 3,000 miles away.