Pilot Jerry Ryen has visited (landed in) a total of 110 countries but have 130 countries yet to explore.
American Samoa
Angola
Anguilla
Antarctica
Armenia
Aruba
Azerbaijan
Bahrain
Bangladesh
Belarus
Benin
Bermuda
Bosnia and Herzegovina
Botswana
British Indian Ocean Territory
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Cape Verde
Cayman Islands
Central African Republic
Chad
Christmas Island
Cocos (Keeling) Islands
Comoros
Congo
Congo (DRC)
Cook Islands
Costa Rica
Cote D'Ivoire
Cyprus
Djibouti
Equatorial Guinea
Eritrea
Eswatini
Falkland Islands
Faroe Islands
Gabon
Guam
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras
Hong Kong
Iraq
Johnston Atoll
Kiribati
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Libyan Arab Jamahiriya
Lithuania
Macau
Maldives
Mali
Mauritania
Mauritius
Micronesia
Midway Islands
Montserrat
Morocco
Mozambique
Myanmar
Nauru
New Caledonia
Norfolk Island
North Korea
North Macedonia
Northern Mariana Islands
Oman
Palau
Palestine
Paraguay
Qatar
Romania
Rwanda
Saint Helena
Saint Pierre and Miquelon
Samoa
Sao Tome and Principe
Senegal
Serbia
Seychelles
Slovenia
Somalia
South Sudan
Sudan
Suriname
Timor Leste
Timor-Leste
Togo
Tonga
Trinidad and Tobago
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
Uruguay
Uzbekistan
Vanuatu
Virgin Islands, U.S.
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Zambia