Cities starting with the letter O in United States (US)

List of cities starting with letter O in United States (US). This list contains 7 cities of United States (US) that start with the letter O. On the Population HUB website you can find lists of cities of countries with the necessary letter, as well as the population of any of the regions of the Earth.

#	Cities of United States (US) in letter O
1	Oklahoma City
2	Omaha
3	Oakland
4	Orlando
5	Oxnard
6	Overland Park
7	Oceanside
8	Ontario
9	Orange
10	Olathe
11	Orem
12	Ogden*
13	O’Fallon
14	Oshkosh
15	Old Bridge
16	Owensboro
17	Orland Park
18	Oak Lawn
19	Oak Park
20	Olympia
21	Oro Valley
22	Orion Charter Township
23	Oregon-City
24	Oak Creek
25	Owasso
26	Olive Branch
27	Oak Park
28	Oakdale
29	Opelika
30	Owatonna
31	Oak Harbor
32	Oshtemo Charter Township
33	Okemos
34	Oxford
35	Ozark
36	Oswego
37	Onalaska
38	Ocean Springs
39	Oakland Charter Township
40	Opelousas
41	Overland
42	Oconomowoc
43	Owosso
44	Orangeburg
45	Ottawa
46	Okmulgee
47	Oceola Township
48	Oil City

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