· Ob (Russia)
· Ohio (United States)
· Orange (Africa)
· Orinoco (South America)
Olga (Russia)
Rivers that start with the letter O:
Ohio River
The Oder River is a European boundary river. It forms part of the boundary between Germany and Poland.
The Orinoco River, South America.
Outstanding and optimistic are positive words. They begin with the letter o.
Some things that begin with the letter O:outhouseoctopusoptometristopalOscarorangeoak treesoliveoctagonovalovariesorangutanopportunitesoccupied territory
Oceanography and optometry are college subjects. They begin with the letter o.
Odds are a value. It begins with the letter O.
There are no cities in Scotland that begin with the letter O. However, Oban is a town in Scotland.
ofoffonontooppositeoutsideover
OctopusOyster
Oryx
otis
odometer
Oprah
Outstanding