How big is the Aran Islands?

Individual island sizes:

* Inishmore (Árainn Mhór): 31 km² (12 sq mi)

* Inishmaan (Inis Meáin): 9.5 km² (3.7 sq mi)

* Inisheer (Inis Thiar): 5 km² (1.9 sq mi)