How long is the flight time from El Salvador to Ethiopia?

What is the approximate flight time between the places El Salvador (, literally meaning (Republic of The Savior), the smallest and the most densely populated country in Central America and Ethiopia (Ge'ez: ኢትዮጵያ '), officially known as the Federal Democratic Republic of Ethiopia''', located in the Horn of Africa, and, the most populous landlocked country in the world?

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Show reasoning Reasoning

I followed this chain of reasoning:

I know from locally stored knowledge that:
13°40'01"N is the latitude of El Salvador ([fact: ["243027830@trueknowledge.com"]])

9°01'01"N is the latitude of Ethiopia ([fact: ["359538883@trueknowledge.com"]])

89°10'00"W is the longitude of El Salvador ([fact: ["607178540@trueknowledge.com"]])

38°44'24"E is the longitude of Ethiopia ([fact: ["646212952@trueknowledge.com"]])

By calculation (generator: ["distance_between3@trueknowledge.com"]) I know that:
13,729.7618783 kilometres is the distance between El Salvador and Ethiopia

By calculation (generator: ["flight_time_between_two_places@trueknowledge.com"]) I know that:
18 hours is the flight time between El Salvador and Ethiopia

I used the following facts to provide this answer:

13°40'01"N is the latitude of El Salvador

agree disagree edit

9°01'01"N is the latitude of Ethiopia

agree disagree edit

89°10'00"W is the longitude of El Salvador

agree disagree edit

38°44'24"E is the longitude of Ethiopia

agree disagree edit