Only Connect #65 Mystery Cache

Number 65 of the Only Connect series of puzzle caches. The published coordinates are not those of the cache. Solve the puzzle to find them and they lead to a cache which is cheerfully not a magnetic BYOP final. The cache itself can be found at an appropriate final location. There's room for a car or two pretty close to the final location.

The rest of the series can be found by clicking on this link to the Only Connect bookmark list.

Find the connection between the images below.

Once you have the connection, please use the full word for each of A-E (clue: they are all proper nouns) then it's a simple case of arithmetic :

F=the total word value of the word associated with A (A=1 ... Z=26).

G=the total word value of the word.... B.

H=the total word value of the word.... C.

I=the total word value of the word.... D.

J=the total word value of the word.... E.

K=the total word value of the connecting word which is common in A-E.

The cache can be found at : N55 08.Y W002 12.Z

Where Y = (G - H) x (F + I - J - K) and Z = K x (G - H - (J / (F - I)))

You can validate your puzzle solution with certitude.