All of which suggests that Harare at 15275 is the longest in the world. Geoff in Harare >Hi all, I have done some digging and this is what I found. Thanks to all who >helped. > >JFK tops at 14572, followed by DFW with 13401, MIA and ORD with 13000 and the >BGR one, which, depending on the source is 12680.