1 Other types of headaches can also cause severe pain, and not all headaches are migraines. For example, some people describe the pain of cluster headaches as the worst pain they have experienced.  The exact cause of migraines is not known.
Another major airport is Aspen-Pitkin County Airport (ASE / KASE), which has domestic flights from Aspen, Colorado and is 98 miles from Vail, CO.Search for direct flights from your hometown and find hotels near Vail, CO, or scroll down for more international airports or domestic airports.nother major airport is Aspen-Pitkin County Airport (ASE / KASE), which has domestic flights from Aspen, Colorado and is 98 miles from Vail, CO.
Located between Denver and Vail, you can easily fid a Colorado bus from Boulder to Copper Mountain as well. Many families choose to spend their holidays at Copper Mountain, tacking full advantage of the special deals and discounts available for accommodation and lift tickets as well.