List of borders

France-Switzerland
France-Belgium
Belgium-Netherlands
Hungary-Slovenia
Austria-Slovakia
Hungary-Romania
Belgium-Germany
Austria-Germany
Denmark-Germany
Germany-Luxembourg
Germany-Netherlands
Latvia-Lithuania
Estonia-Latvia
Denmark-Sweden
Moldova-Romania
Portugal-Spain
Germany-Switzerland
Italy-Slovenia
Germany-Poland
Czech Republic-Germany
Czech Republic-Slovakia
Austria-Czech Republic
Lithuania-Poland
Norway-Sweden
Poland-Ukraine
Austria-Hungary
Austria-Slovenia
Albania-Italy
Albania-Serbia
Austria-Italy
Austria-Switzerland
Belgium-Luxembourg
Belgium-United Kingdom
Belarus-Lithuania
Belarus-Poland
Bosnia-Herzegovina - Serbia
Non-European borders
Bulgaria-Greece
Bulgaria-Romania
Croatia-Serbia
Croatia-Slovenia
Denmark-Norway
Morocco-Spain
Estonia-Finland
Estonia-Russia
Finland-Russia
Finland-Sweden
France-Brazil-Suriname
France-Spain-Andorra
France-Italy-Monaco
France-Luxembourg
France-United Kingdom
Hungary-Serbia
Hungary-Slovakia
Ireland-United Kingdom
Italy-Malta
Italy-Switzerland
Poland-Czech Republic
Poland-Slovakia
Romania-Serbia
Romania-Ukraine
Russia-Ukraine
France-Germany
Etats Unis-Mexique
Netherlands-United Kingdom
Pologne-Russie
Finlande-Norvège