Pilot Canoehead_Too has visited (landed in) a total of 56 countries but have 184 countries yet to explore.
Afghanistan
Albania
Algeria
American Samoa
Angola
Bahamas, The
Bahrain
Bangladesh
Barbados
Belarus
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Herzegovina
Botswana
British Indian Ocean Territory
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
Christmas Island
Cocos (Keeling) Islands
Comoros
Congo
Congo (DRC)
Cook Islands
Costa Rica
Cote D'Ivoire
Cuba
Cyprus
Denmark
Djibouti
Dominica
Dominican Republic
El Salvador
Equatorial Guinea
Falkland Islands
Faroe Islands
French Guiana
Gabon
Gambia
Ghana
Gibraltar
Grenada
Guinea
Guinea-Bissau
Guyana
Haiti
Hong Kong
Hungary
India
Indonesia
Iran
Iraq
Isle Of Man
Israel
Jersey
Johnston Atoll
Jordan
Kazakhstan
Kenya
Kiribati
Korea
Kosovo
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Libyan Arab Jamahiriya
Lithuania
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Mexico
Micronesia
Midway Islands
Moldova
Monaco
Mongolia
Montenegro
Morocco
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
New Caledonia
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
North Korea
North Macedonia
Northern Mariana Islands
Palestine
Papua New Guinea
Paraguay
Peru
Poland
Rwanda
Saint Helena
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and The Grenadines
Samoa
Sao Tome and Principe
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Slovakia
Slovenia
Solomon Islands
Somalia
South Africa
South Korea
South Sudan
Sri Lanka
Sudan
Suriname
Syria
Taiwan
Tajikistan
Tanzania
Thailand
Timor Leste
Timor-Leste
Togo
Tonga
Trinidad and Tobago
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
Uruguay
Uzbekistan
Venezuela
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe