There is one place named Mount Duff in Australia.
All places in the world called "Mount Duff".
Hamilton (5)
Kingston (5)
Gladstone (5)
Springfield (4)
Woodstock (4)
Darlington (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Winton (3)
Croydon (3)
Kensington (3)
Oxley (3)
Stony Creek (3)
Dundas (3)
Kangaroo Flat (3)
Salisbury (3)
Swan Reach (3)
Beaconsfield (3)
Bridgewater (3)
Elliott (3)
Forest Hill (3)
Red Hill (3)
Warburton (3)
Williamstown (3)
Middleton (3)
Somerton (3)