Sorry for the short comment I try to give it on the mobile phone
But here is the rest
The proper script is "Dubbelt upp"(by lillfiluren) this script shows the distance between the caches but is still no qualification.
The cacher will have to check manualy the results but here comes the problem that the script only shows a limited amount of caches.
In other words the script needs an update for this challenge.
Note: I think the qualification "distance" is very important because when a cache is archieved at a landmark etc. an other owner is placing a cache with the same name almost on the same spot.