| San Francisco | Cambrai | |
| Potato (1kg) | USD 3.11 | USD 1.92 |
| Apartment (3 bedrooms) in city centre | USD 4 604.17 | USD 1 718.61 |
| Chicken breasts at the market | USD 13.03 | USD 14.24 |
| Monthly Pass (local transport) | USD 70.00 | USD 64.27 |
| Local cheese (1kg) | USD 14.86 | USD 17.98 |