In my experience, usually 100ft are the longest cable that you can get, the reason for this type of cable to have shorter, is because the signal limitation, usually the longer the cable it is , the quality will drop dramatically, that is why some ...
https://www.quora.com/What-is-the-maximum-length-for-an-HDMI-cable-before-attenuation-occurs
Depending on required resolution, the maximum length of a VGA cable varies between 30 meters for lower resolutions to only 7.5 meters for higher resolutions. The signal that travels through a VGA... Depending on required resolution, the maximum length of a VGA cable varies between 30 meters for lower resolutions to only 7.5 meters for higher resolutions.
https://www.reference.com/technology/maximum-length-vga-cable-cd441d49ff34ff4a
A: Depending on required resolution, the maximum length of a VGA cable varies between 30 meters for lower resolutions to only 7.5 meters for higher resolutions. The signal that travels through a VGA cable is analog, which degrades and fades as it travels longer distances.
https://www.reference.com/technology/maximum-length-vga-cable-cd441d49ff34ff4a
Quick Answer. Depending on required resolution, the maximum length of a VGA cable varies between  30 meters for lower resolutions to only 7.5 meters for higher resolutions. The signal that travels through a VGA cable is analog, which degrades and fades as it travels longer distances.
https://www.reference.com/technology/maximum-length-vga-cable-cd441d49ff34ff4a
The first VGA cable was designed and produced in 1987. As of 2014, it is still available in the market. The connector at the end of a VGA cable is a DE-15 connector which has three rows of five pin connectors. A VGA port can be found on video cards, high-definition television sets and computer screens. Learn more about Television & Video
https://www.reference.com/technology/maximum-length-vga-cable-cd441d49ff34ff4a
HIGH PERFORMANCE VGA CABLES DISTANCE vs RESOLUTION . RESOLUTION: 3' 10' 25' 40' 50' 75' 100' 125' 150' 200' 640 x 480. P. P. P. P. P. P. P. P. P. P. 800 x 600. P. P. P. P. P. P. P. P. A. A. 1024 x 768. P. P. P. P. P. P. P. A. A-1280 x 1024. P. P. P. P. P. P. P. A--1600 x 1200. P. P. P. P. P. P. A---1920 x 1440. P. P. P. P. P. A----2048 x 1536. P. P. P. P. A-----P: Perfect or near-perfect ; Unable to easily detect defects in screen
http://www.cablek.com/technical-reference/vga-cable-length-vs-resolution
The maximum length you can run an HDMI cable depends mostly on the power output of the device, so it varies. It typically tops out at 50 feet, though, and anything beyond that requires some type of extender. Or you can run it over Ethernet or Fiber if you need to cover long distances.
https://www.quora.com/What-is-the-maximum-length-for-an-HDMI-cable-before-attenuation-occurs
Usually max length is 50 feet, after that deterioration of image quality can occur. There are HDMI extenders through Cat5e/Cat6, that allow to extend and extra 60 to 120 meters. Hope this helps,
https://www.quora.com/What-is-the-maximum-length-for-an-HDMI-cable-before-attenuation-occurs
For example, if you purchase a 4K TV and send it 1080p video, that is about 1/4 the rate of 4K. So in the future, when your new 4K set-top box arrives, you may suddenly experience dramatic quality loss. You may have this problem at lengths over 10 or 15 feet; it depends on the cable. There is a new designation for 4K-ready cables, called HDMI Premium, which you may want to look for if you are planning on 4K. Even 4K link speeds can be deceiving, because the link speed of 4K30 is half that of 4K60.
https://www.quora.com/What-is-the-maximum-length-for-an-HDMI-cable-before-attenuation-occurs
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http://www.cablek.com/technical-reference/vga-cable-length-vs-resolution
what is the max length for a vga cable
The maximum length of a VGA cable varies between 30 meters for lower resolutions to only 7.5 meters for higher resolutions.