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There is 1 airport in Appleton. Austin-Straubel Field (GRB) is Appleton’s primary airport with at least domestic flights and international flights departing from its runways every week. As of today, airlines operate out of Austin-Straubel Field (GRB). Austin-Straubel Field (GRB) is 20.8 miles from Appleton and offers nonstop flights to cities.