Er is één plaats met de naam Portlock Island in Australië.
Alle plaatsen in de wereld die "Portlock Island" heten.
Hamilton (5)
Kingston (5)
Gladstone (5)
Springfield (4)
Darlington (4)
Woodstock (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Denison (3)
Longford (3)
Saint Helens (3)
Stanley (3)
Croydon (3)
Kensington (3)
Oxley (3)
Winton (3)
Dundas (3)
Kangaroo Flat (3)
Salisbury (3)
Stony Creek (3)
Beaconsfield (3)
Bridgewater (3)
Elliott (3)
Forest Hill (3)
Red Hill (3)
Swan Reach (3)