QED's extra-long HDMI 2.1 cable is available in lengths up to 20m | What Hi-Fi?
1730004-20M - HDMI 2.1 Active Optical Cable - Qualtek Electronics
Amazon.com: Long 8K HDMI Fiber Optic 2.1 Cable 66FT/20M, Highwings Ultra 48Gbps High Speed Slim HDMI Braided Nylon 8K@60Hz 4K@120Hz HDR/eARC/3D Compatible for PS5 and DVD Player : Electronics