It's about 400,000 times as long as a Mitochondrion
In other words, 0.690 ells is 420,000 times the length of a Mitochondrion, and the length of a Mitochondrion is 0.000002380 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.
It's about one-five-hundred-fifty-thousandth as long as The Grand Canyon
In other words, 0.690 ells is 0.000001770 times the length of The Grand Canyon, and the length of The Grand Canyon is 565,000 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
The Grand Canyon has a total length of 390,000 ells 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 962 ells above the floor of Granite Gorge.
It's about 0.0000006 times as long as The Rhine
In other words, 0.690 ells is 0.0000005970 times the length of The Rhine, and the length of The Rhine is 1,680,000 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 1,150,000 ells 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 0.0000004 times as long as The Colorado River
In other words, 0.690 ells is 0.0000003380 times the length of The Colorado River, and the length of The Colorado River is 2,960,000 times that amount.(a.k.a. Aha Kwahwat, a.k.a. Grand River, a.k.a. Tizon River, a.k.a. Tecon River, a.k.a. Tison River) (from Grand Lake, Colorado through the Gulf of California)
The Colorado River runs 2,040,000 ells in length. Along this length, the river descends from its source, approximately 2,410 ells above sea level in the Rocky Mountains, to its mouth in the Gulf of California.
It's about 0.0000003 times as long as The Danube
In other words, 0.690 ells is 0.0000002770 times the length of The Danube, and the length of The Danube is 3,610,000 times that amount.(a.k.a. Donau, a.k.a. Dunaj, a.k.a. Dunav, a.k.a. Duna, a.k.a. Дунав (Dunav), a.k.a. Dunărea, a.k.a. Дунáй (Dunay), a.k.a. Tuna) (from Breg Martinskapelle, Black Forest, Germany through the Danube Delta, Romania)
The Danube river runs 2,490,000 ells in total length. Intersecting Vienna, Austria; Bratislava, Slovakia; Budapest, Hungary; and Belgrade, Serbia, the Danube touches more capital cities than any other river.
It's about 0.0000003 times as long as The Oregon Trail
In other words, 0.690 ells is 0.0000002260 times the length of The Oregon Trail, and the length of The Oregon Trail is 4,420,000 times that amount.(from Independence, Missouri to Oregon City, Oregon)
The historic Oregon Trail stretched 3,050,000 ells across five (sometimes six) states in the western United States. In the early years of the Trail's existence, the trip was estimated to have taken an average of 160 days.
It's about 0.0000002 times as long as The Volga
In other words, 0.690 ells is 0.0000002230 times the length of The Volga, and the length of The Volga is 4,480,000 times that amount.(a.k.a. Волга, a.k.a. İdel (Идел), a.k.a. Атăл (Atăl), a.k.a. Edil, a.k.a. İdil, a.k.a. Рав (Rav)) (from the Valdai Hills, Tver Oblast, Russia through the Caspian Sea)
The largest river in Europe, the Volga river runs 3,090,000 ells in total length. World War II's Battle of Stalingrad between the Nazi Germany and the Soviet Union, which resulted in nearly two million casualties, was fought in part for control of the river.