You can get LCH-EMY on a 2 zone award.
EMY-DEN on a 1 zone.
DEN-LAX on a 1 zone.
LAX-LCH on a 2 zone.
Number of points would depend on class of service:
All bedrooms: 2x25k + 2x40k = 130,000
All roomettes: 2x15 + 2x20 = 70,000
All coach: 2x5.5k + 2x8k = 27,000