| Choices | Larger Country | Difference (km²) |
| Gabon or Lithuania | |
| Guinea or Sri Lanka | |
| Georgia or United Kingdom | |
| Uganda or Ireland | |
| Ghana or Sierra Leone | |
| Romania or Panama | |
| Serbia or Laos | |
| Czech Republic or Guyana | |
| United Arab Emirates or Belarus | |
| Austria or Kyrgyzstan | |
| Azerbaijan or Senegal | |
| Jordan or Syria | |
| Portugal or Cambodia | |
| Hungary or Uruguay | |
| Suriname or South Korea | |
| Iceland or Tunisia | |
| Guatemala or Nepal | |
| Cuba or Bangladesh | |
| Bulgaria or Tajikistan | |
| Greece or Liberia | |
| Nicaragua or Honduras | |
| Benin or North Korea | |
| Malawi or Eritrea | |
| Russia or Vatican City | |
| Canada or Monaco | |
| Nauru or United States | |
| Tuvalu or China | |
| San Marino or Brazil | |
| Australia or Liechtenstein | |
| India or Marshall Islands | |
| Argentina or Saint Kitts and Nevis | |
| Kazakhstan or Maldives | |
| Algeria or Malta | |
| Dem. Rep. of the Congo or Grenada | |
| Saint Vincent and the Grenadines or Saudi Arabia | |
| Barbados or Mexico | |
| Indonesia or Antigua and Barbuda | |
| Seychelles or Sudan | |
| Libya or Palau | |
| Andorra or Iran | |
| Mongolia or Saint Lucia | |
| Singapore or Peru | |
| Chad or Micronesia | |
| Tonga or Niger | |
| Dominica or Angola | |
| Mali or Bahrain | |
| South Africa or Kiribati | |
| Sao Tome and Principe or Colombia | |
| Ethiopia or Mauritius | |
| Bolivia or Comoros | |
| Luxembourg or Mauritania | |
| Samoa or Egypt | |
| Tanzania or Cape Verde | |
| Nigeria or Trinidad and Tobago | |
| Brunei or Venezuela | |
| Cyprus or Namibia | |
| Mozambique or Lebanon | |
| Kosovo or Pakistan | |
| Turkey or Jamaica | |
| Chile or Gambia | |
| Zambia or Qatar | |
| Vanuatu or Myanmar | |
| Montenegro or Afghanistan | |
| South Sudan or Bahamas | |
| Timor-Leste or France | |
| Swaziland or Somalia | |
| Kuwait or Central African Republic | |
| Ukraine or Fiji | |
| Madagascar or Slovenia | |
| Botswana or Israel | |
| El Salvador or Kenya | |
| Yemen or Belize | |
| Djibouti or Thailand | |
| Spain or Macedonia | |
| Turkmenistan or Rwanda | |
| Cameroon or Haiti | |
| Papua New Guinea or Burundi | |
| Sweden or Equatorial Guinea | |
| Uzbekistan or Albania | |
| Solomon Islands or Morocco | |
| Armenia or Iraq | |
| Paraguay or Lesotho | |
| Zimbabwe or Belgium | |
| Japan or Moldova | |
| Taiwan or Germany | |
| Rep. of the Congo or Guinea-Bissau | |
| Bhutan or Finland | |
| Switzerland or Vietnam | |
| Malaysia or Netherlands | |
| Denmark or Norway | |
| Estonia or Cote d'Ivoire | |
| Poland or Dominican Republic | |
| Oman or Slovakia | |
| Italy or Costa Rica | |
| Bosnia and Herzegovina or Philippines | |
| Ecuador or Croatia | |
| Togo or Burkina Faso | |
| Latvia or New Zealand | |
| Gabon or Lithuania | |
| Guinea or Sri Lanka | |
| Georgia or United Kingdom | |
| Uganda or Ireland | |
| Ghana or Sierra Leone | |
| Romania or Panama | |
| Serbia or Laos | |
| Czech Republic or Guyana | |
| United Arab Emirates or Belarus | |
| Austria or Kyrgyzstan | |
| Azerbaijan or Senegal | |
| Jordan or Syria | |
| Portugal or Cambodia | |
| Hungary or Uruguay | |
| Suriname or South Korea | |
| Iceland or Tunisia | |
| Guatemala or Nepal | |
| Cuba or Bangladesh | |
| Bulgaria or Tajikistan | |
| Greece or Liberia | |
| Nicaragua or Honduras | |
| Benin or North Korea | |
| Malawi or Eritrea | |