| Houston | Spijkenisse | |
| Water bottle (0.33 liter) | USD 1.47 | USD 2.50 |
| Apartment (1 bedroom) in city centre | USD 1 574.13 | USD 1 096.85 |
| Milk (1 liter) | USD 1.06 | USD 1.19 |
| Apartment (3 bedrooms) outside of centre | USD 1 589.13 | USD 1 422.35 |
| Eggs (12) | USD 2.40 | USD 2.69 |