Pilot 1undo has visited (landed in) a total of 62 countries but have 178 countries yet to explore.
Afghanistan
Albania
Algeria
American Samoa
Angola
Anguilla
Antarctica
Antigua and Barbuda
Armenia
Aruba
Azerbaijan
Bahamas, The
Bahrain
Barbados
Belarus
Belize
Benin
Bermuda
Bhutan
Bosnia and Herzegovina
Botswana
Brazil
British Virgin Islands
Bulgaria
Burkina Faso
Burundi
Cameroon
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
Christmas Island
Cocos (Keeling) Islands
Colombia
Comoros
Congo
Congo (DRC)
Cook Islands
Costa Rica
Cote D'Ivoire
Cyprus
Czech Republic
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Eswatini
Ethiopia
Falkland Islands
Faroe Islands
Fiji
French Guiana
Gabon
Gibraltar
Greece
Greenland
Grenada
Guadeloupe
Guam
Guatemala
Guernsey
Guinea-Bissau
Guyana
Haiti
Honduras
Hungary
Iran
Iraq
Isle Of Man
Israel
Jamaica
Jersey
Johnston Atoll
Kosovo
Kyrgyzstan
Liberia
Libya
Libyan Arab Jamahiriya
Lithuania
Macau
Malawi
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mayotte
Micronesia
Midway Islands
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Morocco
Mozambique
Netherlands Antilles
New Caledonia
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
North Korea
North Macedonia
Northern Mariana Islands
Palestine
Panama
Papua New Guinea
Paraguay
Peru
Poland
Puerto Rico
Reunion
Romania
Rwanda
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and The Grenadines
Samoa
Sao Tome and Principe
Senegal
Serbia
Seychelles
Sierra Leone
Solomon Islands
Somalia
South Sudan
Sudan
Suriname
Syria
Tajikistan
Tanzania
Timor Leste
Timor-Leste
Togo
Tonga
Trinidad and Tobago
Tunisia
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
Uruguay
Uzbekistan
Vanuatu
Venezuela
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe