Pilot Dan Barr has visited (landed in) a total of 133 countries but have 107 countries yet to explore.
American Samoa
Anguilla
Antigua and Barbuda
Aruba
Azerbaijan
Bangladesh
Belarus
Belize
Botswana
British Indian Ocean Territory
British Virgin Islands
Brunei
Burkina Faso
Burundi
Cambodia
Cameroon
Cape Verde
Central African Republic
Christmas Island
Cocos (Keeling) Islands
Comoros
Cote D'Ivoire
Dominica
Equatorial Guinea
Eritrea
Eswatini
Falkland Islands
French Guiana
Gabon
Gambia
Georgia
Guadeloupe
Guatemala
Guinea
Guinea-Bissau
Honduras
Iraq
Johnston Atoll
Jordan
Kiribati
Korea
Kosovo
Lebanon
Liberia
Malaysia
Maldives
Marshall Islands
Mauritius
Mayotte
Midway Islands
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Mozambique
New Caledonia
Norfolk Island
North Korea
North Macedonia
Northern Mariana Islands
Palau
Palestine
Paraguay
Peru
Reunion
Russia
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Sao Tome and Principe
Serbia
Seychelles
Sierra Leone
South Korea
South Sudan
Sudan
Suriname
Timor Leste
Timor-Leste
Togo
Tunisia
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
Uzbekistan
Vietnam
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Yemen
Zimbabwe