Parisian and Alpine are the proper adjectives for Paris and Alps.
Alpine is the proper adjective for Alps.
the alps are in south eastern France, more than 500 km at their closest point to Paris.
Proper nouns are always capitalized. eg John, Paris, the Eiffel Tower, the Southern Alps.
The noun Alps is a proper noun, the name of a specific group of mountains.
Proper nouns are always capitalised, but adjectives are not.
Loud and soft are not proper adjectives. The easiest way to remember what proper adjectives are is that they are usually adjectives which are similar to their proper noun form. For example, Canada is a proper noun. Canadian, when used to describe a noun, such as, Canadian bacon, is the proper adjective.
Cuban and Peruvian are the proper adjectives for Cuba and Peru.
France
1 mile
Antiguan and Polish are the proper adjectives for Antigua and Poland.
the distance between Paris and Grenoble, a main town in the French Alps, is 575 km. The driving time is about 5H30.
Bostonian and Navajo are the proper adjectives for Boston and Navajo.