If you do mileage runs, you probably know about matrix.itasoftware.com, but in case you don't - visit http://matrix.itasoftware.com/?showPricePerMile=true http:

If you do mileage runs, you probably know about matrix.itasoftware.com, but in case you don't - visit http://matrix.itasoftware.com/?showPricePerMile=true http://matrix.itasoftware.com/?showPricePerMile=true and then do your search to see and sort by price per mile.