| 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 | € 1,678 | € 1,744 | € 1,793 | € 1,924 | € 1,618 | - | - | € 0,952 | - | - | - | - | - |
| Ardres | - | € 1,719 | € 1,789 | - | € 1,639 | - | - | - | - | - | - | - | - |
| Arques | € 1,469 | € 1,389 | € 1,754 | - | € 1,594 | - | - | € 0,925 | - | - | - | - | - |
| Audruicq | - | € 1,737 | € 1,814 | - | € 1,649 | - | - | - | - | - | - | - | - |
| Autingues | € 1,679 | - | € 1,799 | - | € 1,619 | - | - | - | - | - | - | - | - |
| Campagne-lès-Wardrecques | - | € 1,986 | € 1,929 | - | € 1,829 | - | - | - | - | - | - | - | - |
| Coyecques | - | € 1,880 | - | - | € 1,730 | - | - | - | - | - | - | - | - |
| Éperlecques | € 1,718 | € 1,729 | € 1,832 | - | € 1,655 | - | - | - | - | - | - | - | - |
| Fauquembergues | - | € 1,867 | € 1,899 | - | € 1,898 | - | - | - | - | - | - | - | - |
| Lumbres | € 1,659 | € 1,531 | € 1,759 | - | € 1,589 | - | - | - | - | - | - | - | - |
| Nielles-lès-Ardres | € 2,005 | - | - | - | € 1,882 | - | - | - | - | - | - | - | - |
| Oye-Plage | - | € 1,709 | € 1,779 | - | € 1,629 | - | - | - | - | - | - | - | - |
| Racquinghem | € 1,709 | € 1,749 | - | € 1,939 | € 1,629 | - | - | - | - | - | - | - | - |
| Saint-Folquin | - | € 1,930 | € 1,960 | - | € 1,855 | - | - | - | - | - | - | - | - |
| Saint-Martin-au-Laërt | € 1,664 | € 1,645 | € 1,754 | € 1,924 | € 1,598 | - | - | € 0,928 | - | - | - | - | - |
| Saint-Omer | € 1,699 | - | € 1,794 | - | € 1,619 | - | - | - | - | - | - | - | - |