It's about one-seventy-five-thousandth as long as Hadrian's Wall
In other words, the length of Hadrian's Wall is 77,000 times 2.10 paces.(a.k.a. Roman Wall, a.k.a. The Wall, a.k.a. Vallo di Adriano, a.k.a. Vallum Aelium, a.k.a. Severus' Wall) (from North Tyneside, Tyne and Wear, England, United Kingdom to Cumbria, North West England, United Kingdom)
Hadrian's Wall, which crossed England form the North Sea to the Irish Sea during the time of Roman rule, measures 160,000 paces (about 79 Roman miles). Roman soldiers — at one time up to 10,000 of them — only occupied Great Britain for about 246 years after the wall was built, after which time the local Brits began to take residence the wall's garrisons.
It's about 200,000 times as long as a Red Blood Cell
In other words, 2.10 paces is 210,000 times the length of a Red Blood Cell, and the length of a Red Blood Cell is 0.00000480 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 250,000 times as long as a Nucleus (Cellular)
In other words, the length of a Nucleus (Cellular) is 0.00000370 times 2.10 paces.(for animal cell)
The nucleus of an animal cell measures an average of 0.00000790 paces. The nucleus is the largest organelle in these cells, accounting for about 10% of the cell's total volume.
It's about one-three-hundred-thousandth as long as The Grand Canyon
In other words, 2.10 paces is 0.000003590 times the length of The Grand Canyon, and the length of The Grand Canyon is 279,000 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
The Grand Canyon has a total length of 585,000 paces along the course of the Colorado River at its bottom. Having opened in early 2007, the Grand Canyon Skywalk allows tourists to stand on a horseshoe-shaped glass walkway 1,440 paces above the floor of Granite Gorge.
It's about 800,000 times as long as an E. coli Bacterium
It's about one-eight-hundred-fifty-thousandth as long as The Rhine
In other words, 2.10 paces is 0.000001210 times the length of The Rhine, and the length of The Rhine is 826,000 times that amount.(a.k.a. Rhein, a.k.a. Rijn, a.k.a. Rhin, a.k.a. Rain, a.k.a. Reno, a.k.a. Rhenus, a.k.a. Ryn) (from near Reichenau, Switzerland through Hoek van Holland, Rotterdam, Netherlands)
The Rhine river runs 1,730,000 paces in total length. The World War II Battle of Arnhem, as memorialized in the 1974 book and 1977 movie A Bridge Too Far, was the first of several attempts to capture key bridges across the Rhine, beginning with the Arnhem Bridge in the Netherlands.
It's about 850,000 times as long as a Mitochondrion
In other words, 2.10 paces is 851,000 times the length of a Mitochondrion, and the length of a Mitochondrion is 0.000001180 times that amount.(Eukaryotic; average)
A mitochondrion measures between 0.75 and 3 micrometers (Âµm). The mitochondrion is commonly referred to as the powerhouse of the cell, responsible for the generation of ATP. The size, shape, and distribution of mitochondria varies widely, with human liver cells each having 1,000 to 2,000 mitochondria.