Originally Posted by
cruser1
If you want to maximize Avios earning on your journey, connecting in Miami instead of Charlotte adds 491 miles in each direction (982 miles on the roundtrip), but the caveat being you can't complete the roundtrip in one day, so there the additional cost of a night in Nashville.
Avios is now revenue based for AA tickets when crediting to BAEC, so there is no longer an advantage to have a longer distance.