Ezek 40:13

וַיָּ֣מָד אֶת־הַשַּׁ֗עַר מִגַּ֤ג הַתָּא֙ לְגַגּ֔וֹ רֹ֕חַב עֶשְׂרִ֥ים וְחָמֵ֖שׁ אַמּ֑וֹת פֶּ֖תַח נֶ֥גֶד פָּֽתַח׃

Then he measured the gateway from the roof of one gate chamber to the roof of the opposite one; the distance was twenty-five cubits from doorway to doorway.