Biltmore Estate is about 6 times smaller than Manhattan.

Manhattan is approximately 55 km² (21 sq mi), while Biltmore Estate is approximately 9.27 km² (3.58 sq mi), making Biltmore Estate 17.0% the size of Manhattan.
Tip: This to-scale comparison of Manhattan vs. Biltmore Estate uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.