Is 110 acres as big as Washington National Cathedral?
It's about one-and-nine-tenths times as big as Washington National Cathedral

The size of Washington National Cathedral is about 57 acres.
(a.k.a. Cathedral Church of Saint Peter and Saint Paul) (Washington, DC) (total plot)
Sitting atop the 115 m (377 ft) tall Mount Saint Alban at the corner of Massachusetts and Wisconsin Avenues, Washington National Cathedral sits on a landscaped, 57 acres plot.
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