I seem to recall hearing about 400 international flights for Hunter Biden.
The records show that there were 411 trips.
Countries and territories visited by Hunter Biden, between June 2009 and May 2014, included:
Ethiopia and India on June 14-22, 2009
Argentina on September 14-17, 2009
France and Spain on November 9-13, 2009
Canada on February 12-15, 2010
Dominican Republic on February 18-22, 2010
Puerto Rico on March 20-27, 2010
China on April 6-9, 2010
Belgium, Spain, and the United Kingdom on May 5-8, 2010
UK, Egypt, Kenya, South Africa, Ascension Island, U.S. Virgin Islands on June 6-13, 2010
Denmark and South Africa on August 9-24, 2010
Hong Kong, Taiwan and China on April 16-22, 2011
Mexico on May 15-17, 2011
Colombia, France, United Arab Emirates and France again on November 1-11, 2011
UK and Russia on February 15-18, 2012
Germany, France and UK on February 1-5, 2013
UK and Ireland on March 20-22, 2013
China on June 13-15, 2013
Switzerland and Italy on July 26-August 7, 2013
Japan, China, South Korea and the Philippines on December 2-9, 2013
China and Qatar on May 7-14, 2014