O
- Oakbank
- Oakner
- Oakpoint Marine
- Obed Lo
- Ogilvie River
- Oka
- Okanagan Centre
- Okotoks
- Old Crow A
- Old Crow Rcs
- Olds
- Oliver
- Oliver Stp
- Onefour Cda
- Ootsa L Skins L Spillway
- Orangeville Moe
- Orillia Brain
- Ormstown
- Oshawa Wpcp
- Osler 6 N
- Osoyoos Cs
- Osoyoos West
- Ottawa Cda
- Ottawa Macdonald-cartier Int'l A
- Otter Falls Ncpc
- Otter Lakes Lo
- Outlook Pfra
- Owen Sound Moe
- Oxbow
- Oyen Cappon
- Oyen Cara
