| Saint-Omer | Super 95 (E10) | Super 95 (E5) | Super 98 (E5) | Super 98 (E10) | Diesel (B7) | Diesel (B10) | Diesel (XTL) | LPG | CNG | Hydrogeen | LNG | Diesel+ | AdBlue |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aire-sur-la-Lys | € 1,658 | € 1,697 | € 1,749 | € 1,924 | € 1,548 | - | - | € 0,835 | - | - | - | - | - |
| Ardres | - | € 1,699 | € 1,729 | - | € 1,539 | - | - | - | - | - | - | - | - |
| Arques | € 1,469 | € 1,389 | € 1,709 | - | € 1,530 | - | - | € 0,925 | - | - | - | - | - |
| Audruicq | - | € 1,710 | € 1,746 | - | € 1,570 | - | - | - | - | - | - | - | - |
| Autingues | € 1,645 | - | € 1,729 | - | € 1,539 | - | - | - | - | - | - | - | - |
| Campagne-lès-Wardrecques | - | € 1,986 | € 1,929 | - | € 1,829 | - | - | - | - | - | - | - | - |
| Coyecques | - | € 1,860 | - | - | € 1,750 | - | - | - | - | - | - | - | - |
| Éperlecques | € 1,648 | € 1,729 | € 1,756 | - | € 1,570 | - | - | - | - | - | - | - | - |
| Fauquembergues | - | € 1,867 | € 1,899 | - | € 1,898 | - | - | - | - | - | - | - | - |
| Lumbres | € 1,629 | € 1,531 | € 1,709 | - | € 1,529 | - | - | - | - | - | - | - | - |
| Nielles-lès-Ardres | € 2,005 | - | - | - | € 1,882 | - | - | - | - | - | - | - | - |
| Oye-Plage | - | € 1,699 | € 1,729 | - | € 1,579 | - | - | - | - | - | - | - | - |
| Racquinghem | € 1,659 | € 1,689 | - | € 1,939 | € 1,539 | - | - | - | - | - | - | - | - |
| Saint-Folquin | - | € 1,930 | € 1,960 | - | € 1,855 | - | - | - | - | - | - | - | - |
| Saint-Martin-au-Laërt | € 1,657 | € 1,645 | € 1,726 | € 1,924 | € 1,574 | - | - | € 0,928 | - | - | - | - | - |
| Saint-Omer | € 1,661 | - | € 1,743 | - | € 1,553 | - | - | - | - | - | - | - | - |