Connecticut cities which start with the letter O.
| Place | Place Type | 2010 Population |
|---|---|---|
| Oakdale | ||
| Oakville | ||
| Occum | ||
| Old Greenwich | ||
| Old Lyme | town | 7603 |
| Old Mystic | ||
| Old Saybrook | town | 10242 |
| Oneco | ||
| Orange | town | 13956 |
| Oxford | town | 12683 |
Browse CT Cities by Letter
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