Doing a map of a flight from Sines, to Bermuda, to Charleston airports: * http://www.gcmap.com/mapui?P=LPSI-TXKF-KCHS http://www.gcmap.com/mapui?P=LPSI-TXKF-KC

Doing a map of a flight from Sines, to Bermuda, to Charleston airports: * http://www.gcmap.com/mapui?P=LPSI-TXKF-KCHS http://www.gcmap.com/mapui?P=LPSI-TXKF-KCHS The (great circle) route is straight through the Azores. * https://en.wikipedia.org/wiki/Great-circle_navigation https://en.wikipedia.org/wiki/Great-circle_navigation Whomever made the map for the diagram just drew a straight line from Portugal to Bermuda, which works for a flat surface, but in the real world the world is round, so the shortest distance is often curved (as it appears on a 2D projection). However this site shows the cable travelling south of the Azores: * https://www.fiberatlantic.com/system/n5OE4 https://www.fiberatlantic.com/system/n5OE4