| Gas Station | Regular | Plus | Premium | Diesel |
 | Shell
1300 Highway Dd, Defiance, MO 63341
Get Directions | $3.699 | $3.899 | $4.109 | N/A |
 | Phillips 66
30 W Highway D, New Melle, MO 63365
Get Directions | $3.659 | N/A | $3.979 | $3.599
Lowest Price |
 | MFA
225 Jackson St, Augusta, MO 63332
Get Directions | $3.759 | N/A | N/A | N/A |
| Phillips 66
100 Lk St Louis Blvd, Lake Saint Louis, MO 63367
Get Directions | $3.649
Lowest Price | N/A | N/A | $3.699 |
 | Mobil
11400 Veterans Memorial Pkwy, Lake Saint Louis, MO 63367
Get Directions | $3.689 | $3.799 | N/A | N/A |
| Murphy Usa
723 Robert Raymond Dr, Lake Saint Louis, MO 63367
Get Directions | $3.659 | $3.849 | N/A | $3.599 |
 | Circle K
1001 Lake Saint Louis Blvd, Lake Saint Louis, MO 63367
Get Directions | $3.659 | $3.819 | N/A | N/A |
| Petro Mart
463 Hawk Ridge Trail, Lake Saint Louis, MO 63367
Get Directions | $3.659 | $3.849 | $3.999 | $3.649 |
| Quik Trip
8334 Highway N, Lake Saint Louis, MO 63367
Get Directions | $3.659 | $3.849 | $3.999 | N/A |
| Quik Trip
4750 Highway K, O Fallon, MO 63368
Get Directions | $3.659 | $3.849 | $3.959 | $3.699 |
| Mobil
4501 Highway K, O Fallon, MO 63368
Get Directions | $3.699 | N/A | N/A | $3.599 |
| Midwest Petroleum
2700 Technology Dr, O Fallon, MO 63368
Get Directions | $3.659 | N/A | $3.989 | N/A |
| Waterway Gas & Wash
3995 Crusher Dr, O Fallon, MO 63368
Get Directions | $3.699 | N/A | N/A | N/A |
| Quik Trip
1150 Feise Rd, O Fallon, MO 63368
Get Directions | $3.659 | $3.749
Lowest Price | $3.989 | N/A |
| Quik Trip
1140 W Pearce Blvd, Wentzville, MO 63385
Get Directions | $3.649 | $3.829 | $3.949
Lowest Price | N/A |
 | BP
1450 S I-70 Service Rd, Wentzville, MO 63385
Get Directions | $3.659 | $3.819 | N/A | $3.799 |
| U Gas
1235 Wentzville Pkwy, Wentzville, MO 63385
Get Directions | $3.649 | N/A | $3.969 | $3.699 |
 | Conoco
401 E Pearce Blvd, Wentzville, MO 63385
Get Directions | $3.709 | N/A | $3.999 | N/A |
| Mobil
42 W Highway N, Wentzville, MO 63385
Get Directions | $3.689 | $3.849 | N/A | $3.599 |
| Quik Trip
55 Wentzville Pkwy, Wentzville, MO 63385
Get Directions | $3.649 | $3.799 | $3.949 | N/A |