NATIONAL CONFERENCE
North: Chicago Bears, Detroit Lions, Green Bay Packers, Minnesota Vikings
South: Atlanta Falcons, Dallas Cowboys, New Orleans Saints, Tampa Bay Bucs
East: Baltimore Colts, NY Giants, Philadelphia Eagles, Washington Redskins
West: Arizona Cardinals, Los Angeles Rams, San Francisco 49ers, Seattle Seahawks
AMERICAN CONFERENCE
North: Cincinnati Bengals, Cleveland Browns, Indianapolis Ravens, Pittsburgh Steelers
South: Houston Texans, Jacksonville Jaguars, Miami Dolphins, Tennessee Titans
East: Buffalo Bills, Carolina Panthers, New England Patriots, NY Jets
West: Denver Broncos, Kansas City Chiefs, Oakland Raiders, San Diego Chargers
Obvious differences: 1) Indianapolis and Baltimore swap nicknames, so the Colts are back in Baltimore, where they belong. 2) Colts go back to NFC. 3) Rams franchise moved back to Los Angeles, where they never should have been moved from. 4) All divisions are geographically correct.
Scheduling considerations: Besides the six home-and-home games against division rivals, there would be a designated "rivalry game" each year between several so recognized teams, e.g. Giants-Cowboys and Redskins-Cowboys, that would alternate sites each season. This would take the place of interconference games for those teams.