How long is the flight time from Sri Lanka to Romania?

What is the approximate flight time between the places Sri Lanka officially the Democratic Socialist Republic of Sri Lanka (or;, ), the country off the southern coast of the Indian subcontinent and Go to Tarrog.blogspot.com Romania (also spelled: Rumania, dated: Roumania), the country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea?

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Show reasoning Reasoning

I followed this chain of reasoning:

I know from locally stored knowledge that:
6°54'00"N is the latitude of Sri Lanka ([fact: ["673261044@trueknowledge.com"]])

45°47'27"N is the latitude of Romania ([fact: ["242748339@trueknowledge.com"]])

79°54'00"E is the longitude of Sri Lanka ([fact: ["673261068@trueknowledge.com"]])

24°46'23"E is the longitude of Romania ([fact: ["242748343@trueknowledge.com"]])

By calculation (generator: ["distance_between3@trueknowledge.com"]) I know that:
6,800.24255316 kilometres is the distance between Sri Lanka and Romania

By calculation (generator: ["flight_time_between_two_places@trueknowledge.com"]) I know that:
9 hours is the flight time between Sri Lanka and Romania

I used the following facts to provide this answer:

6°54'00"N is the latitude of Sri Lanka

agree disagree edit

45°47'27"N is the latitude of Romania

agree disagree edit

79°54'00"E is the longitude of Sri Lanka

agree disagree edit

24°46'23"E is the longitude of Romania

agree disagree edit