DL 1225 CVG-SDF is 83 miles on a DL 727.
DL 118 BDL-JFK is 106 miles on a DL 767-300ER with BusinessElite!
DL 1490 is sold as ATL-FLL, but it stops in MIA first. The last leg MIA-FLL is 21 miles on a DL 767-200.
DL 2408 MCO-TPA is 80 miles on a DL Express 737.
I am sure there are more examples out there, these are just the ones I came across in the DL computer.