Path: news.f.de.plusline.net!news-fra1.dfn.de!news0.de.colt.net!newsfeed.r-kom.de!newsfeed.stueberl.de!border1.nntp.dca.giganews.com!nntp.giganews.com!news.glorb.com!prodigy.com!newsmst01a.news.prodigy.com!prodigy.com!postmaster.news.prodigy.com!news03.toast.net!not-for-mail From: "DellaCroce" Newsgroups: comp.databases.oracle.tools Subject: Re: Distance Formula from Long/Lat Date: Sat, 7 Aug 2004 22:10:47 -0500 Organization: SBC http://yahoo.sbc.com Lines: 23 Message-ID: <41159a14@news03.toast.net> References: <4115661c@news03.toast.net> NNTP-Posting-Host: adsl-66-73-119-130.dsl.toldoh.ameritech.net X-Trace: newsdbm05.news.prodigy.com 1091934767 12319 66.73.119.130 (8 Aug 2004 03:12:47 GMT) X-Complaints-To: abuse@prodigy.net NNTP-Posting-Date: Sun, 8 Aug 2004 03:12:47 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 X-Original-NNTP-Posting-Host: 02-051.144.popsite.net X-Original-Trace: 7 Aug 2004 23:12:20 -0400, 02-051.144.popsite.net X-Authenticated-User: dellacroce Xref: news.f.de.plusline.net comp.databases.oracle.tools:29487 That is true, and the application I am working on the point are not far enough apart to have to work with the curve of the earth (I think) but first the Long/Lat are in degree, and second the distance between latitude lines changes as you move closer to the equator. So the this would effect the distance between say Chicago and Miami. Thanks for the help! Greg "Ana C. Dent" wrote in message news:Xns953EC5001652DSunnySD@68.6.19.6... > "DellaCroce" wrote in > news:4115661c@news03.toast.net: > > > Does anyone here have the formula for calculating distance give two > > pairs of Longitude/Latitude coordinates? Please share this with me if > > you would. > > > > Depending upon how close togther the point are, > the Pythagorian (sp) formula will be a close approximation. > > X**2 + Y**2 = Z**2