The nearest airport is MHQ - Mariehamn, located 60.4 km north west of Karlby.
Other airports nearby include TKU - Turku (100.7 km north east), POR - Pori (179.0 km north),
Nearby towns ::
Överboda (1.9km north) //
Finnö (0.9km east) //
Lilleböle (2.1km north west) //
Kökar (2.1km north west) //
Söderholm (3.2km east) //
Hellsö (4.6km north east) //
Söderby (4.2km north east) //
Trångsund (5.5km north east) //
[all distances 'as the bird flies' and approximate]