50 minutes
The flight time is 3 hours, 2 minutes.
London to Vienna is approx 1 hour 50 mins.
Washington, DC (WAS) to Vienna (VIE) Shortest Flight Duration 8 hours 30 mins
With Air Berlin, via Vienna: 4 h 10 min.
New York, NY (NYC) to Vienna (VIE) Shortest Flight Duration 8 hours 55 mins
13hours
To be honest, it's probably better to fly, but if you want to take the train, you will need to take a train first from Barcelona to Venice in Italy. Then you will need to take the train from Venice to Vienna.
just fly and find it out
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