Forbidden places on a planet Earth: points, where for any money do not fly planes

Certainly, to tourist charters and civil airliners the way is ordered in the territory where there are operations. It appears, it is far not the only restriction. There is a mass of places where travelers not to get aboard the plane for any money. And first of all it concerns the Pacific Ocean. It is made of reasons of safety. By rules, the airliner always has to "have in a stock" airfield in a radius of three flight hours. Over the ocean of such opportunity is not present though there are some islands with the airports. However it is not so simple and convenient how to fly slightly to the north, is closer to land...