Flying from Seattle to Allentown? Here are some useful things to know:
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How far is it between Seattle and Allentown by plane?
Allentown is around 3760 km away from Seattle.
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What are the airports near Allentown?
The closest airport to Allentown is Lehigh Valley International Airport which is 7 km away. In total Allentown has 1 airport: Lehigh Valley International Airport.