Anase Skyrider on 30. Mar. 2018.
Hey, Bellular. I did a quick Google search for some math stuff, and it turns out that the Blue Marble photo you referenced a few times was taken at a distance of 29,000 km from the surface, and since the Earth's radius is roughly 6,731 km, that means that around 41% of the Earth's surface was visible in the photo. Just thought you might want to know.
EDIT: There's also a Japanese satellite that takes frequent photos of the Japan-Australia side of the Earth, called the Himawari 8, and you can easily find its photos online. It's in a geostationary orbit, which is at 35,786 km from Earth's surface -- so it's an additional 6,786 km difference -- and that brings the visible percent of Earth's surface up to 42.4%.