Pilot Erik Gustafson has visited (landed in) a total of 54 countries but have 185 countries yet to explore.

Afghanistan

Albania

Algeria

American Samoa

Angola

Anguilla

Antarctica

Antigua and Barbuda

Argentina

Aruba

Azerbaijan

Bahamas, The

Bahrain

Bangladesh

Barbados

Belarus

Belgium

Belize

Benin

Bermuda

Bhutan

Bolivia

Bosnia and Herzegovina

Botswana

Brazil

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

Colombia

Comoros

Congo

Congo (DRC)

Cook Islands

Costa Rica

Cote D'Ivoire

Cuba

Cyprus

Denmark

Djibouti

Dominica

Dominican Republic

Ecuador

Egypt

El Salvador

Equatorial Guinea

Eritrea

Eswatini

Ethiopia

Falkland Islands

Faroe Islands

Fiji

French Guiana

Gabon

Gambia

Ghana

Gibraltar

Grenada

Guadeloupe

Guam

Guatemala

Guernsey

Guinea

Guinea-Bissau

Guyana

Haiti

Honduras

Hungary

Isle Of Man

Jamaica

Jersey

Johnston Atoll

Kosovo

Kuwait

Macau

Madagascar

Malawi

Malaysia

Maldives

Mali

Malta

Marshall Islands

Martinique

Mauritania

Mauritius

Mayotte

Micronesia

Midway Islands

Monaco

Montserrat

Morocco

Morocco

Mozambique

Myanmar

Namibia

Nauru

Nepal

Netherlands

Netherlands Antilles

New Caledonia

New Zealand

Nicaragua

Niger

Nigeria

Niue

Norfolk Island

North Korea

North Macedonia

Oman

Pakistan

Palau

Palestine

Papua New Guinea

Paraguay

Peru

Philippines

Portugal

Puerto Rico

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

Senegal

Seychelles

Sierra Leone

Slovakia

Slovenia

Solomon Islands

Somalia

South Africa

South Sudan

Sri Lanka

Sudan

Suriname

Syria

Timor Leste

Timor-Leste

Togo

Tonga

Trinidad and Tobago

Tunisia

Turkey

Turkmenistan

Tuvalu

Uganda

United Arab Emirates

Uruguay

Vanuatu

Venezuela

Wake Island

Wallis and Futuna

Western Sahara