The phrase "several meters" means a few meters or more than two meters. It refers to a distance that is not specific but greater than just a couple of meters. Full definition
As we opened the curtains we were amazed to see a huge bull elephant standing several meters in front of us! (somak.com)
It has a very long tongue and can easily strike you from several meters away. (heavy.com)
This rate could speed up if we keep burning fossil fuels at our current pace, some experts say, causing sea levels to rise several meters over the next 50 to 150 years. (nrdc.org)