Best projection for distance

[JohannaMård_Karlsson]

I am working with data predominantly within Northwestern Siberia (polar regions). WHich is the best projection to use that will preserve distance? (distance is very important)

Thanks

J

[JohnSobetzer]

In general: http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=About%20coordinate%20systems%20and%20m...

In your case maybe http://resources.arcgis.com/en/help/main/10.1/index.html#//003r0000001p000000