| Borders of htp99 |
| Europe |
| Albania - Greece |
| Albania - Macedonia |
| Andorra - France |
| Andorra - Spain |
| Austria - Czech Republic |
| Austria - Germany |
| Austria - Hungary |
| Austria - Italy |
| Austria - Slovakia |
| Austria - Slovenia |
| Austria - Switzerland |
| Belarus - Russia |
| Belarus - Ukraine |
| Belgium - France |
| Belgium - Germany |
| Belgium - Luxembourg |
| Belgium - Netherlands |
| Bosnia-Hercegovina - Croatia |
| Bosnia-Hercegovina - Montenegro |
| Bulgaria - Greece |
| Bulgaria - Romania |
| Bulgaria - Turkey |
| Croatia - Hungary |
| Croatia - Serbia |
| Croatia - Slovenia |
| Czech Republic - Poland |
| Czech Republic - Germany |
| Czech Republic - Slovakia |
| Denmark - Germany |
| Estonia - Latvia |
| Estonia - Russia |
| Finland - Norway |
| Finland - Russia |
| Finland - Sweden |
| France - Germany |
| France - Italy |
| France - Luxembourg |
| France - Monaco |
| France - Spain |
| France - Switzerland |
| Germany - Luxembourg |
| Germany - Netherlands |
| Germany - Poland |
| Germany - Switzerland |
| Gibraltar - Spain |
| Greece - Macedonia |
| Greece - Turkey |
| Hungary - Romania |
| Hungary - Slovakia |
| Italy - San Marino |
| Italy - Slovenia |
| Italy - Switzerland |
| Italy - Vatican City |
| Latvia - Lithuania |
| Latvia - Russia |
| Liechtenstein - Switzerland |
| Lithuania - Poland |
| Macedonia - Serbia |
| Moldova - Romania |
| Montenegro - Serbia |
| Norway - Russia |
| Norway - Sweden |
| Poland - Slovakia |
| Portugal - Spain |
| Romania - Ukraine |
| Romania - Serbia |
| Total European borders 66 (76.7%) |
| America |
| Argentina - Brazil |
| Argentina - Paraguay |
| Belize - Mexico |
| Bolivia - Brazil |
| Bolivia - Chile |
| Brazil - French Guiana |
| Brazil - Guyana |
| Brazil - Paraguay |
| Brazil - Uruguay |
| Brazil - Venezuela |
| Canada - United States Of America |
| Chile - Peru |
| Colombia - Ecuador |
| Colombia - Panama |
| Colombia - Venezuela |
| Costa Rica - Nicaragua |
| Costa Rica - Panama |
| Ecuador - Peru |
| El Salvador - Guatemala |
| El Salvador - Honduras |
| French Guiana - Suriname |
| Guatemala - Honduras |
| Guatemala - Mexico |
| Guyana - Suriname |
| Honduras - Nicaragua |
| Mexico - United States Of America |
| Total American borders 26 (66.7%) |
| Asia |
| Afghanistan - Iran |
| Afghanistan - Tajikistan |
| Armenia - Azerbaijan |
| Armenia - Georgia |
| Armenia - Iran |
| Azerbaijan - Georgia |
| Cambodia - Thailand |
| Cambodia - Vietnam |
| China - Kazakhstan |
| China - Mongolia |
| China - Nepal |
| China - Pakistan |
| Georgia - Turkey |
| India - Nepal |
| India - Pakistan |
| Jordan - Syria |
| Kazakhstan - Russia |
| Kyrgyzstan - Tajikistan |
| Laos - Thailand |
| Laos - Vietnam |
| Lebanon - Syria |
| Malaysia - Thailand |
| Mongolia - Russia |
| Oman - United Arab Emirates |
| Syria - Turkey |
| Turkmenistan - Uzbekistan |
| Total Asian borders 26 (31.7%) |
| Africa |
| Benin - Burkina |
| Benin - Togo |
| Botswana - Namibia |
| Botswana - Zimbabwe |
| Burkina - Mali |
| Egypt - Sudan |
| Ethiopia - Kenya |
| Ethiopia - Sudan |
| Kenya - Tanzania |
| Kenya - Uganda |
| Lesotho - South Africa |
| Malawi - Tanzania |
| Malawi - Zambia |
| Mali - Mauritania |
| Mauritania - Western Sahara |
| Morocco - Western Sahara |
| Namibia - Zambia |
| South Africa - Swaziland |
| South Africa - Zimbabwe |
| Zambia - Zimbabwe |
| Total African borders 20 (19.0%) |
| Total border crossings 138 (44.2%) |
