41. Conoco
502 W Plato Rd, Duncan, OK 73533
Coordinate: 34.53583,-97.94963
Phone: (580) 255-8039
42. Phillips 66
2603 S 13th St, Duncan, OK 73533
Coordinate: 34.47548,-97.96505
Phone: (580) 252-2499
43. Sunoco
177922 N 2810 Rd, Duncan, OK 73533
Coordinate: 34.43527,-97.98204
Phone: (580) 475-0126
44. Conoco
401 N 10th St, Duncan, OK 73533
Coordinate: 34.50678,-97.95958
Phone: (580) 255-1019