Pilot Gerald Plotts has visited (landed in) a total of 91 countries but have 149 countries yet to explore.
Afghanistan
Albania
Algeria
American Samoa
Anguilla
Antarctica
Antigua and Barbuda
Argentina
Armenia
Azerbaijan
Bahamas, The
Barbados
Belarus
Bolivia
Bosnia and Herzegovina
British Indian Ocean Territory
British Virgin Islands
Brunei
Burkina Faso
Burundi
Cambodia
Cameroon
Cayman Islands
Central African Republic
Christmas Island
Cocos (Keeling) Islands
Comoros
Congo
Cook Islands
Cuba
Cyprus
Djibouti
Dominica
Dominican Republic
Equatorial Guinea
Eswatini
Ethiopia
Falkland Islands
Faroe Islands
Fiji
Finland
French Guiana
Gibraltar
Greenland
Grenada
Guinea
Guinea-Bissau
Guyana
Haiti
Iraq
Isle Of Man
Jersey
Johnston Atoll
Kosovo
Kyrgyzstan
Lebanon
Lesotho
Liberia
Libya
Libyan Arab Jamahiriya
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Micronesia
Midway Islands
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Morocco
Mozambique
Nauru
Nepal
Netherlands Antilles
New Caledonia
Norfolk Island
North Korea
North Macedonia
Northern Mariana Islands
Norway
Oman
Palestine
Puerto Rico
Qatar
Reunion
Romania
Rwanda
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and The Grenadines
Sao Tome and Principe
Saudi Arabia
Serbia
Seychelles
Singapore
Slovenia
Solomon Islands
Somalia
Suriname
Syria
Tajikistan
Timor Leste
Timor-Leste
Togo
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
Uzbekistan
Vanuatu
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe