Anchorage, Alaska, is almost equidistant from New York City, Tokyo, and Frankfurt, Germany (via the polar route), and lies within 10 hours by air of nearly 90% of the industrialized world.
The center of it all

Anchorage, Alaska, is almost equidistant from New York City, Tokyo, and Frankfurt, Germany (via the polar route), and lies within 10 hours by air of nearly 90% of the industrialized world.