What is the diameter of the olympic exclusion zones? in United Kingdom and Ireland Posted July 12, 2012 My cache is clearly inside the red circular olympic exclusion zone in the image Groundspeak sent me, yet mathematically, is 8m outside of a 1 mile exclusion zone. I'm hoping to move my cache a little bit north, but I've yet to find a key on any of the maps. Anybody know what diameter Groundspeak have used? Have they added a tolerance? Thanks.