Ezekiel 40 15
It was fifty cubits from the gateway entrance to the far side of the inside porch.
Compare with other 3 random translations
NIV Ezekiel 40:15The distance from the entrance of the gateway to the far end of its portico was fifty cubits.
YLT Ezekiel 40:15and by the front of the gate of the entrance, by the front of the porch of the inner gate, fifty cubits;
WEB Ezekiel 40:15From the forefront of the gate at the entrance to the forefront of the inner porch of the gate were fifty cubits.