Some southern US cities that start with the letter O:
Osorno
Oberhausen, Germany; Odense, Denmark; Odivelas, Portugal; Olbia, Italy; Olsztyn, Poland; Olten, Switzerland; Ordu, Turkey; Orestiada, Greece; Orleans, France; Oslo, Norway; Osnabruck, Germany; Ostrava, Czech Republic; Ostend, Belgium; Oulu, Finland and Oviedo, Spain are cities in Europe. They begin with the letter O.
Some words that start with the letter O are:oceanOddOdeofoffOfficeogreoldOliveOnoneOpalOppositeorOrangeorboreganoorganismorgasmorigamiotherotteroughtOxymoronoval
Two counties in South Carolina begin with the letter O. Oconee and Orangeburg are counties in South Carolina.
Omsk and Orel are cities in Russia
· Onida, South Dakota
Orange is a city in New South Wales, Australia.
Ohio?
OregonOxford
I am not aware of any cities in Massachusetts that start with the letter O. However, Oxford, Orange, Orleans, Oak Bluff, and Otis are towns in Massachusetts.
orange, orwell, and Orleans
Oxford
Ocala
· Onida, South Dakota
Osorno
Oklahoma, Ohio, and Oregon.
i don't know many but there is one called ohio- in america.