Aomori Airport — Aomori, Japan

Aomori Airport, marked by the code AOJ, stands 664 feet above sea level at the northern tip of Honshu and moves traffic through a single runway despite sitting in one of the snowiest inhabited regions on Earth. Aomori Prefecture regularly measures among the heaviest annual snowfall totals of any populated area in Japan, and the airport built its reputation on handling that weather rather than shutting down because of it. A dedicated snow-clearing unit, nicknamed White Impulse, sweeps the runway, taxiways, and apron with a coordinated fleet of plows and sweepers whenever storms roll in, often finishing a full clearing pass in well under an hour so departures can resume. The spectacle draws its own audience: winter visitors sometimes plan their trip specifically to watch the convoy work. Beyond the snow operations, AOJ functions as a conventional regional gateway, linking Aomori city to Tokyo and other domestic hubs on jets that share ramp space with the plow fleet for a good portion of the year. One runway is enough to keep that schedule running.