以い遠えん

noun, noun, used as a suffix

beyond; further than

Used as a suffix after a place name to indicate areas beyond that point, especially in transportation (e.g., 東京以遠 means 'beyond Tokyo'). Also used as a standalone noun in formal contexts.

• 新しん大おお阪さか以い遠えんの駅えきでは、特とっ急きゅう料りょう金きんが変かわります。

  At stations beyond Shin-Osaka, the limited express fare changes.

• この切きっ符ぷは東とう京きょう以い遠えんまで有ゆう効こうです。

  This ticket is valid for travel beyond Tokyo.