Trying to snap a two-game losing skid, the Titans flew to Paul Brown Stadium for a Week 12 duel with the Cincinnati Bengals. In the first quarter, Tennessee trailed early as Bengals RB Rudi Johnson got a 5-yard TD run for the only score of the period. In the second quarter, the Titans got on the board with kicker Rob Bironas getting a 28-yard field goal. However, Cincinnati answered with QB Carson Palmer completing a 10-yard TD pass to WR Chad Johnson. Tennessee would end the half with Bironas getting a 23-yard field goal. In the second half, the Bengals sealed the win Carson and Chad hooking up with each other on a 2-yard TD pass in the third quarter and a 3-yard TD pass in the fourth quarter.
Question: How many yards longer was Chad Johnson's longest touchdown catch compared to his shortest?
Answer: 8