It's about 500,000 times as long as an Aspirin
In other words, 6.920 kilometers is 490,000 times the length of an Aspirin, and the length of an Aspirin is 0.0000020 times that amount.(for up & up aspirin, 325mg, regular strength tablets) (a.k.a. acetylsalicylic acid, a.k.a. ASA)
A single aspirin tablet measures 0.0000140 kilometers in diameter. One of the most common medicines in the world and a foundation of worldwide health systems, an estimated 40,000 metric tons of aspirin are consumed each year.
It's about 4,000,000 times as wide as a Strand of Spaghetti
In other words, 6.920 kilometers is 4,100,000 times the width of a Strand of Spaghetti, and the width of a Strand of Spaghetti is 0.00000024 times that amount.(average; restaurant and supermarket applications) (based on FMA Omcan Italian Made TR50 Counter Top Pasta Machine Extruder 13317)
An average strand of restaurant-grade spaghetti measures 0.00000170 kilometers in thickness. In 2010, a California Buca di Beppo set a world record by preparing a 13,780-lb bowl of spaghetti, served in a swimming pool.
It's about 5,500,000 times as long as a Grain of Sand
In other words, 6.920 kilometers is 5,540,000 times the length of a Grain of Sand, and the length of a Grain of Sand is 0.000000181 times that amount.(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 0.000001250 kilometers. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 0.0151 kilometers in height.
It's about 70,000,000 times as wide as a Strand of Hair
In other words, 6.920 kilometers is 70,000,000 times the width of a Strand of Hair, and the width of a Strand of Hair is 0.000000014 times that amount.(average)
A strand of human hair averages 99 µm (micrometers), with blond hair being the finest and black hair the thickest. On a healthy scalp, each strand of hair will last up to 6 years.
It's about 70,000,000 times as tall as a sheet of Paper
In other words, 6.920 kilometers is 70,000,000 times the height of a sheet of Paper, and the height of a sheet of Paper is 0.0000000100 times that amount.(for US Letter, a.k.a. ANSI A; 215.9mm by 279.4mm (8.5 in x 11 in); 20lb)
A single sheet of 20 lb, 8.5 inch x 11 inch paper is just 0.0000001000 kilometers thick. This style of paper weighs a mere 5 g per sheet.
It's about 900,000,000 times as long as a Red Blood Cell
In other words, 6.920 kilometers is 920,000,000 times the length of a Red Blood Cell, and the length of a Red Blood Cell is 0.0000000011 times that amount.(a.k.a. RBCs, a.k.a. haematids, a.k.a. erythrocyte, a.k.a. erythroid cells, a.k.a. red blood corpuscles)
An average Red Blood Cell measures 7.5 µm (micrometers) in diameter. An average human has 20 - 30 trillion red blood cells in their body and each cell completes a circulatory lap in about 20 seconds.
It's about 1,000,000,000 times as long as a Cell's Nucleus
In other words, 6.920 kilometers is 1,200,000,000 times the length of a Cell's Nucleus, and the length of a Cell's Nucleus is 0.00000000083 times that amount.(for animal cell)
The nucleus of an animal cell measures an average of 0.00000000600 kilometers. The nucleus is the largest organelle in these cells, accounting for about 10% of the cell's total volume.