Actually LHR-LAX (sorry Andy) would be relatively easy.
by GoonSquad (2019-03-19 00:47:06)

In reply to: How do they explain Great Circle routes?  posted by El Kabong


The problem would be explaining routes along the Equator or in the Southern Hemisphere. Rio de Janeiro to Singapore, if such a route were to exist, would have to go over the North Pole. Either that or waste a TON of gas.