Holy See (Vatican City) is about 1.3 times smaller than Disneyland.

Disneyland is approximately 0.55 km² (0.21 sq mi), while Holy See (Vatican City) is approximately 0 sq km, making Holy See (Vatican City) 79.51% the size of Disneyland.
Tip: This to-scale comparison of Disneyland vs. Holy See (Vatican City) uses the Mercator projection, which distorts the size of regions near the poles.
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