There is one place named Mount Gnomon in Australia.
All places in the world called "Mount Gnomon".
Gladstone (5)
Hamilton (5)
Kingston (5)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Darlington (4)
Woodstock (4)
Rosedale (4)
Richmond (4)
Bangor (3)
Rosebery (3)
Waterloo (3)
Brighton (3)
Buxton (3)
Clare (3)
Mosquito Creek (3)
Spring Hill (3)
Bald Hills (3)
Homebush (3)
Stratford (3)
Inglewood (3)
Alberton (3)
Broughton (3)
Donnybrook (3)
Greenmount (3)
Laura (3)
Lyndhurst (3)