Nothing. There is no border between the US and France.
The Jura Mountains are between Switzerland and France
France - although Andorra lies along that border - between Spain and France - nearly all of the border is with France.
The border between France and Spain follows the Pyrenees. Also the small country of Andorra is in the Pyrenees between France and Spain.
The Pyrenees are located on the border between France and Spain.
There is no land border between France and Egypt, so the question is unanswerable. France does have a mountainous border with Spain, which is made by the Pyrenees, and a mountainous border with Italy and Switzerland, made by the Alps. Egypt has no mountainous borders.
The Pyrenees Mountains form the border between Spain, France, and Andorra.
Pyrenees is in the border of france and spain.
The Pyrénées is the mountain range located on the border between France and Spain.
Monaco is a town, and independent principalty, located in Southern France between Nice and the Italian border.
Poland and France do not have a common border at all, Germany is situated between these two countries, separating them.
The Pyrenees mountain range forms a border between France and Spain, while the Alps mountain range forms a border between France and Italy.