Where is 21 Grimmauld Place?

[David]

Steve wrote:

> As I think about it, it may be possible that the flight took so 
long
> because Moody flew them around the far East End to avoid the city,
> then brought them into the Kings Cross area on a more North East to
> South West route. That is, coming into the Kings Cross 
neighborhood,
> or near by neighborhood, from the North East.

Am I being thick here?  I don't understand why flight time comes 
into it.  They were flying from Little Whinging, in Surrey, which is 
much further away.

David