The distance between Havana and Newark is 1304 miles. On average, a direct flight between the two cities takes 3 hours, 6 minutes.
With plain to Frankfurt (Germany) or London and then you have to catch flight to Zagreb, capital of Croatia.
How long is flight from Frankfurt to Prague?
A flight from Frankfurt to Bangkok is 12 hours.
A flight from Frankfurt to Washington takes 9 hours.
About 9hrs
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A flight from Frankfurt to SF (Assuming SF is San Francisco) would take about 12 hours.
The flight time from Frankfurt, Germany to Kabul, Afghanistan is approximately 6 hours, 52 minutes.
5hr 45min Frankfurt (FRA) to Bahrain (BAH) by a nonstop flight operated by Gulf Air.
The flight would be 9 hours long.
The fastest direct flight from Hawaii to Croatia is 15 hours 30 minutes
2,5 h