Pilot Marc Dublain has visited (landed in) a total of 86 countries but have 153 countries yet to explore.

Afghanistan

American Samoa

Angola

Anguilla

Antarctica

Antigua and Barbuda

Armenia

Azerbaijan

Bahrain

Bangladesh

Belarus

Bolivia

Botswana

British Indian Ocean Territory

British Virgin Islands

Brunei

Burkina Faso

Burundi

Cambodia

Cameroon

Central African Republic

Chad

Christmas Island

Cocos (Keeling) Islands

Comoros

Congo

Congo (DRC)

Cook Islands

Costa Rica

Cote D'Ivoire

Djibouti

Dominica

Dominican Republic

El Salvador

Equatorial Guinea

Eritrea

Eswatini

Falkland Islands

Faroe Islands

Fiji

French Guiana

French Polynesia

Gabon

Greenland

Guinea

Guinea-Bissau

Guyana

Honduras

India

Iraq

Isle Of Man

Israel

Jersey

Johnston Atoll

Korea

Kosovo

Kuwait

Kyrgyzstan

Liberia

Libya

Macau

Malaysia

Maldives

Mali

Marshall Islands

Martinique

Mauritania

Mauritius

Mayotte

Micronesia

Midway Islands

Monaco

Mongolia

Montserrat

Morocco

Mozambique

Myanmar

Nauru

Nepal

Netherlands Antilles

New Caledonia

Nicaragua

Niger

Niue

Norfolk Island

North Korea

North Macedonia

Northern Mariana Islands

Panama

Papua New Guinea

Paraguay

Peru

Rwanda

Saint Helena

Saint Lucia

Saint Pierre and Miquelon

Saint Vincent and The Grenadines

Samoa

Sao Tome and Principe

Senegal

Serbia

Seychelles

Singapore

Slovenia

Solomon Islands

Somalia

South Korea

South Sudan

Sri Lanka

Sudan

Suriname

Syria

Taiwan

Tanzania

Timor Leste

Timor-Leste

Togo

Tonga

Trinidad and Tobago

Turkmenistan

Turks and Caicos Islands

Tuvalu

Uganda

United Arab Emirates

Uruguay

Vanuatu

Venezuela

Virgin Islands, U.S.

Wake Island

Wallis and Futuna

Western Sahara

Yemen