Pilot Arko Basu has visited (landed in) a total of 109 countries but have 130 countries yet to explore.

Afghanistan

Albania

American Samoa

Angola

Antarctica

Armenia

Aruba

Bahamas, The

Barbados

Belarus

Bolivia

Botswana

British Indian Ocean Territory

Brunei

Burkina Faso

Burundi

Cameroon

Cape Verde

Cayman Islands

Central African Republic

Chad

Chile

Christmas Island

Cocos (Keeling) Islands

Comoros

Congo

Congo (DRC)

Cook Islands

Cyprus

Djibouti

Dominican Republic

Ecuador

El Salvador

Equatorial Guinea

Eritrea

Eswatini

Falkland Islands

Faroe Islands

Fiji

French Guiana

French Polynesia

Gabon

Gambia

Ghana

Greenland

Grenada

Guadeloupe

Guam

Guatemala

Guernsey

Guinea

Guinea-Bissau

Guyana

Haiti

Iran

Isle Of Man

Israel

Johnston Atoll

Kazakhstan

Kiribati

Kyrgyzstan

Laos

Lesotho

Liberia

Libya

Mali

Malta

Marshall Islands

Martinique

Mauritania

Mayotte

Micronesia

Midway Islands

Monaco

Mongolia

Montserrat

Morocco

Mozambique

Myanmar

Nauru

New Caledonia

Nicaragua

Niger

Nigeria

Niue

Norfolk Island

Northern Mariana Islands

Panama

Paraguay

Reunion

Rwanda

Saint Helena

Saint Lucia

Saint Pierre and Miquelon

Saint Vincent and The Grenadines

Samoa

Sao Tome and Principe

Saudi Arabia

Seychelles

Sierra Leone

Solomon Islands

Somalia

South Sudan

Sudan

Suriname

Tajikistan

Timor Leste

Timor-Leste

Tonga

Trinidad and Tobago

Turks and Caicos Islands

Tuvalu

Uganda

Uruguay

Uzbekistan

Vanuatu

Wake Island

Wallis and Futuna

Western Sahara

Yemen

Zambia