There is one place named Långarnö in Sweden.
All places in the world called "Långarnö".
Boda (17)Näs (17)Sandviken (16)Berg (16)Lund (14)Berga (14)Bäck (13)Torp (13)Näset (13)Haga (13)Sandvik (12)Åsen (12)Broby (12)Mo (11)Norrby (11)Kulla (11)Näsby (11)Åby (10)Ön (10)Viken (10)Hov (10)Holmen (10)Kullen (10)Strand (10)Heden (10)Backa (10)Råby (10)Tuna (9)Säby (9)Lundby (9)