Pilot Maximilian Schmidt has visited (landed in) a total of 82 countries but have 158 countries yet to explore.
Afghanistan
Albania
American Samoa
Anguilla
Antarctica
Antigua and Barbuda
Armenia
Azerbaijan
Bangladesh
Barbados
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Herzegovina
British Indian Ocean Territory
British Virgin Islands
Brunei
Burkina Faso
Burundi
Cambodia
Cameroon
Cape Verde
Cayman Islands
Central African Republic
Chad
Christmas Island
Cocos (Keeling) Islands
Comoros
Congo
Congo (DRC)
Cook Islands
Costa Rica
Cote D'Ivoire
Cuba
Cyprus
Djibouti
Dominica
Ecuador
El Salvador
Eritrea
Eswatini
Ethiopia
Falkland Islands
Faroe Islands
Fiji
French Guiana
Gabon
Gibraltar
Greenland
Grenada
Guadeloupe
Guam
Guatemala
Guernsey
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras
Isle Of Man
Israel
Jamaica
Japan
Jersey
Johnston Atoll
Kenya
Kiribati
Liberia
Libya
Libyan Arab Jamahiriya
Lithuania
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Micronesia
Midway Islands
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
North Korea
North Macedonia
Northern Mariana Islands
Pakistan
Palau
Palestine
Panama
Paraguay
Philippines
Puerto Rico
Reunion
Rwanda
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and The Grenadines
Samoa
Sao Tome and Principe
Serbia
Seychelles
Sierra Leone
Singapore
Solomon Islands
Somalia
South Korea
Sri Lanka
Suriname
Tajikistan
Tanzania
Timor Leste
Timor-Leste
Togo
Tonga
Trinidad and Tobago
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Uzbekistan
Vanuatu
Vietnam
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Zambia