Pilot Robert Bradley has visited (landed in) a total of 64 countries but have 175 countries yet to explore.

Afghanistan

Albania

Algeria

American Samoa

Angola

Anguilla

Antarctica

Antigua and Barbuda

Armenia

Aruba

Azerbaijan

Bahrain

Bangladesh

Belarus

Belgium

Benin

Bhutan

Bolivia

Bosnia and Herzegovina

Botswana

British Indian Ocean Territory

British Virgin Islands

Brunei

Burkina Faso

Burundi

Cambodia

Cameroon

Cape Verde

Cayman Islands

Central African Republic

Chad

Chile

China

Christmas Island

Cocos (Keeling) Islands

Colombia

Comoros

Congo

Congo (DRC)

Cook Islands

Costa Rica

Cote D'Ivoire

Croatia

Cyprus

Denmark

Djibouti

Dominica

Equatorial Guinea

Eritrea

Estonia

Eswatini

Ethiopia

Falkland Islands

Faroe Islands

Fiji

French Guiana

French Polynesia

Gabon

Gibraltar

Greenland

Grenada

Guadeloupe

Guam

Guatemala

Guernsey

Guinea

Guinea-Bissau

Guyana

Honduras

Hong Kong

Hungary

Iceland

Iran

Iraq

Israel

Jersey

Johnston Atoll

Jordan

Kazakhstan

Kenya

Kiribati

Laos

Latvia

Lebanon

Lesotho

Liberia

Libya

Lithuania

Luxembourg

Maldives

Mali

Marshall Islands

Mauritania

Mauritius

Mayotte

Micronesia

Midway Islands

Monaco

Mongolia

Montenegro

Montserrat

Morocco

Morocco

Mozambique

Myanmar

New Caledonia

Nicaragua

Niger

Nigeria

Niue

Norfolk Island

North Korea

North Macedonia

Northern Mariana Islands

Panama

Paraguay

Reunion

Romania

Rwanda

Saint Helena

Saint Pierre and Miquelon

Samoa

Sao Tome and Principe

Saudi Arabia

Senegal

Serbia

Seychelles

Sierra Leone

Singapore

Slovakia

Slovenia

Solomon Islands

Somalia

South Africa

South Sudan

Sri Lanka

Sudan

Suriname

Syria

Tajikistan

Tanzania

Timor Leste

Timor-Leste

Togo

Tonga

Tunisia

Turkmenistan

Uruguay

Uzbekistan

Vanuatu

Vietnam

Wake Island

Wallis and Futuna

Western Sahara