London is significantly bigger than Paris.
London covers an estimated area of 1,572 square kilometers, whereas Paris covers approximately 105 square kilometers. This means London is roughly 15 times larger in area than Paris. The city of Paris itself is relatively small, appearing only slightly larger than London's central business district.
| City | Area (square kilometers) |
|---|---|
| London | 1,572 |
| Paris | 105 |
Therefore, the answer is unequivocally London.
