- Ajax Orienteering & Hillrunning Club
 - Interests include orienteering, hillrunning, athletics, cross country, mountain marathons, hillwalking, and outdoor adventure sport. - Avon Schools Orienteering Association (ASOA)
- Bay Area Orienteering
- Explore parks with map and compass; beginners always welcome.
- Belgian Orienteering Federation
- Includes a calendar, clubs, and address information.
- Cambridge University Orienteering Club (CUOC)
- Essex Stragglers Orienteering Society
- For north and east Essex.
- Humberside and Lincolnshire Orienteers
- Club for North Lincolnshire and East Yorkshire.
- Illawarra Orienteers (IO)
- Orienteering information and results for events in Australia.
- London Orienteering Klubb
- Trains on Hampstead Heath.
- Macquarie University Bushwalking and Orienteering Club
- Minnesota Orienteering Club
- With event schedules, contact information, example maps, and more.
- North Eastern Ohio Orienteering Club
- Includes schedule and information on membership and volunteer opportunities.
- North Texas Orienteering Association (NTOA)
- OK Roskilde
- Danish orienteering club.
- OLG Welsikon - Switzerland
- Information about orienteering mapping (and software) and main events related to the OLG Welsikon.
- Oregon Cascades Orienteering Klubb
- Club located in the heart of the Willamette Valley.
- Orienteering Association of Hong Kong
- Quantico Orienteering Club
- Roxburgh Reivers Orienteering Club
- Information on the club and sport; fixtures; results and links to other O-related sites.
- San Diego Orienteering Club
- Sheffield University Orienteering Club (ShUOC)
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