How long does it take to fly from frankfort, germany to Maine?

What is the approximate flight time between the places Frankfurt am Main, commonly known simply as Frankfurt, the largest city in the German state of Hesse and the fifth-largest city in Germany, with a 2009 population of 672,000 and Maine, the state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the southeast, New Hampshire to the west, and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast?

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Show reasoning Reasoning

I followed this chain of reasoning:

I know from locally stored knowledge that:
50°06'37"N is the latitude of Frankfurt ([fact: ["245905922@trueknowledge.com"]])

44°41'35"N is the latitude of Maine ([fact: ["152242681@trueknowledge.com"]])

8°41'00"E is the longitude of Frankfurt ([fact: ["701143336@trueknowledge.com"]])

69°00'00"W is the longitude of Maine ([fact: ["376864615@trueknowledge.com"]])

By calculation (generator: ["distance_between3@trueknowledge.com"]) I know that:
5,605.55103325 kilometres is the distance between Frankfurt and Maine

By calculation (generator: ["flight_time_between_two_places@trueknowledge.com"]) I know that:
7 hours is the flight time between Frankfurt and Maine

I used the following facts to provide this answer:

50°06'37"N is the latitude of Frankfurt

agree disagree edit

44°41'35"N is the latitude of Maine

agree disagree edit

8°40'60"E is the longitude of Frankfurt

agree disagree edit

69°00'00"W is the longitude of Maine

agree disagree edit