From Halifax, most westerly routes would have taken them along the Gulf Stream too, as opposed to the cold central North Atlantic they would have crossed if they had followed a great circle route from New York, say, or Miami to Liverpool or Southampton or London. (climateaudit.org)
Take the city circle route from Central Station and enjoy the ride. (world-blue.com)
I particularly like the view from the great circle route connecting Copenhagen to Seattle, so I have managed to get a «geologist's seat» (window seat, in front of the wing, on the shady side of the plane, take your binoculars). (williamcalvin.com)