Originally Posted by
abcx
With the DL Amex DRDM, this works out to 4,820 * 2 = 9640 miles. So cpm is 1.61. Not bad despite the DL mile devaluation.
Considering anyone who would do this is likely GM/PM, make that 14,460. Some people are working through a 10,000 mile bonus per round-trip, as well. Not bad.