Pilot Piyapong Sin A Nanlert has visited (landed in) a total of 73 countries but have 167 countries yet to explore.
Afghanistan
Albania
Algeria
American Samoa
Angola
Anguilla
Antarctica
Antigua and Barbuda
Azerbaijan
Bahamas, The
Bangladesh
Barbados
Belarus
Bolivia
Bosnia and Herzegovina
Botswana
Brazil
British Indian Ocean Territory
British Virgin Islands
Brunei
Burkina Faso
Burundi
Cameroon
Cayman Islands
Central African Republic
Chad
Christmas Island
Comoros
Congo
Congo (DRC)
Cook Islands
Costa Rica
Cote D'Ivoire
Cyprus
Djibouti
Dominica
El Salvador
Equatorial Guinea
Eritrea
Estonia
Eswatini
Ethiopia
Falkland Islands
Faroe Islands
Fiji
French Guiana
Gabon
Gibraltar
Grenada
Guadeloupe
Guam
Guatemala
Guernsey
Guinea
Guinea-Bissau
Guyana
Haiti
Iraq
Ireland
Isle Of Man
Japan
Johnston Atoll
Kazakhstan
Kiribati
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Libyan Arab Jamahiriya
Lithuania
Luxembourg
Macau
Madagascar
Malawi
Maldives
Mali
Martinique
Mauritania
Mauritius
Mayotte
Mexico
Micronesia
Midway Islands
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Morocco
Mozambique
New Caledonia
Nicaragua
Niger
Nigeria
Niue
North Korea
North Macedonia
Northern Mariana Islands
Oman
Palau
Palestine
Panama
Paraguay
Peru
Qatar
Reunion
Rwanda
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and The Grenadines
Samoa
Sao Tome and Principe
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Slovakia
Solomon Islands
Somalia
South Africa
South Sudan
Sri Lanka
Sudan
Suriname
Switzerland
Syria
Taiwan
Tajikistan
Tanzania
Timor Leste
Timor-Leste
Togo
Tonga
Trinidad and Tobago
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Vanuatu
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe