How long does it take to fly to Australia from Oklahoma?

What is the approximate flight time between the places Australia ( or or ), officially the Commonwealth of Australia, the country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans and Oklahoma, the state located in the South Central region of the United States of America?

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Show reasoning Reasoning

I followed this chain of reasoning:

I know from locally stored knowledge that:
35°18'00"S is the latitude of Australia ([fact: ["576725396@trueknowledge.com"]])

35°30'00"N is the latitude of Oklahoma ([fact: ["361250127@trueknowledge.com"]])

149°08'00"E is the longitude of Australia ([fact: ["576725400@trueknowledge.com"]])

98°00'00"W is the longitude of Oklahoma ([fact: ["361250143@trueknowledge.com"]])

By calculation (generator: ["distance_between3@trueknowledge.com"]) I know that:
14,049.8359594 kilometres is the distance between Australia and Oklahoma

By calculation (generator: ["flight_time_between_two_places@trueknowledge.com"]) I know that:
18 hours and 30 minutes is the flight time between Australia and Oklahoma

I used the following facts to provide this answer:

35°17'60"S is the latitude of Australia

agree disagree edit

35°30'00"N is the latitude of Oklahoma

agree disagree edit

149°07'60"E is the longitude of Australia

agree disagree edit

98°00'00"W is the longitude of Oklahoma

agree disagree edit