Kermit,
(a) Be aware that the GAMA POH includes both "approved" and "not approved" data and understand the differences implicit in the distinction.
(b) It might be an idea if you read the data in context and not merely extract numbers without considering the significance of, and real world implications inherent in, their use. So far as the question of distances is concerned, there are more than a few traps lurking out there for young players.