Pilot Lerxtwood has visited (landed in) a total of 79 countries but have 161 countries yet to explore.
Afghanistan
Albania
American Samoa
Angola
Anguilla
Antarctica
Antigua and Barbuda
Armenia
Aruba
Bahrain
Barbados
Belgium
Bosnia and Herzegovina
Botswana
British Indian Ocean Territory
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cape Verde
Central African Republic
Chad
Christmas Island
Cocos (Keeling) Islands
Comoros
Congo
Congo (DRC)
Cook Islands
Costa Rica
Cote D'Ivoire
Czech Republic
Djibouti
Dominica
Ecuador
Equatorial Guinea
Falkland Islands
Fiji
Finland
French Guiana
French Polynesia
Gabon
Grenada
Guam
Guernsey
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras
Hungary
Iraq
Isle Of Man
Israel
Jersey
Johnston Atoll
Kazakhstan
Kenya
Kiribati
Libya
Libyan Arab Jamahiriya
Lithuania
Luxembourg
Macau
Madagascar
Malawi
Marshall Islands
Mauritius
Mayotte
Micronesia
Midway Islands
Moldova
Monaco
Montenegro
Montserrat
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
Netherlands
New Caledonia
Norfolk Island
North Korea
Northern Mariana Islands
Oman
Palau
Palestine
Papua New Guinea
Philippines
Poland
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
Saudi Arabia
Serbia
Seychelles
Sierra Leone
Slovakia
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Sri Lanka
Syria
Tajikistan
Tanzania
Timor Leste
Timor-Leste
Togo
Tonga
Trinidad and Tobago
Tunisia
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
Uzbekistan
Vanuatu
Vietnam
Virgin Islands, U.S.
Wake Island
Wallis and Futuna