Geography · lists
Cities and towns in Ontario that start with O
The full list of cities and towns in Ontario starting with O: 13 names, taken from the 449 answers to “Name a city or town in Ontario” in Icillion.
Cities and towns in Ontario starting with O
- Oakville
- Odessa
- Oil Springs
- Omemee
- Opasatika
- Orangeville
- Orillia
- Orleans
- Orono
- Osgoode
- Oshawa
- Ottawa
- Owen Sound
About this list
- O is the 17th most common first letter in this list: 13 of the 449 cities and towns in Ontario (3%).
- Shortest: “Orono”. Longest: “Orangeville”.
- 2 names have more than one word.
Quick answers
- How many cities and towns in Ontario start with O?
- 13 of the 449 cities and towns in Ontario in Icillion start with O, for example Ottawa, Oshawa and Oakville.
- What is the longest name among cities and towns in Ontario that start with O?
- The longest is “Orangeville” and the shortest is “Orono”.
More lists that start with O
Play geography trivia nowAll 449 cities and towns in Ontario, A to Z
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