HDMI (High Definition Multimedia Interface), the combined HD video and audio signal standard, is now the most commonly used cable interface for residential, home theater and commercial AV systems.
Most commonly, a HDMI cable is used to connect a HD or 4K UHD Source (such as a BluRay player or your Sky TV Box) directly to an adjacent TV, therefore a standard 3 metre HDMI lead distance would easily cover that short distance from one device to the other on the TV stand.