Invorio borders the following municipalities: Ameno, Arona, Bolzano Novarese, Borgomanero, Briga Novarese, Colazza, Gattico-Veruno, Gozzano, Meina, and Paruzzaro.
Invorio shares borders with the following municipalities: Ameno, Arona, Bolzano Novarese, Borgomanero, Briga Novarese, Colazza, Gattico-Veruno, Gozzano, Meina, and Paruzzaro.