It's about 650 times as long as a Man's Footstep.
In other words, the length of a Man's Footstep is 0.0016 times 0.50 kilometers.(for healthy, middle-aged man of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a man's step is 0.00079 kilometers, for an average stride (two-step's length) of 0.0016 kilometers. The average person walks at a speed of about 1.3 m/s
It's about 750 times as long as a Woman's Footstep.
In other words, the length of a Woman's Footstep is 0.0013 times 0.50 kilometers.(for healthy, middle-aged woman of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a woman's step is 0.00066 kilometers, for an average stride (two-step's length) of 0.0013 kilometers. The average person walks at a speed of about 1.3 m/s
It's about one-nine-hundredth as long as The Grand Canyon.
In other words, 0.50 kilometers is 0.00112 times the length of The Grand Canyon, and the length of The Grand Canyon is 893 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
The Grand Canyon has a total length of 446 km 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 1.10 kilometers above the floor of Granite Gorge.
It's about 1,500 times as tall as a Bowling Pin.
In other words, 0.50 kilometers is 1,310 times the height of a Bowling Pin, and the height of a Bowling Pin is 0.000763 times that amount.(USBC specifications; tenpin)
According to the United States Bowling Congress specifications, a tenpin bowling pin should be within 0.0000007940 kilometers of 0.000381 kilometers in height. The USBC further mandates that certified pins be made of sugar maple wood, unless otherwise approved by the organization.
It's about one-two-thousand-five-hundredth as long as The Rhine.
In other words, 0.50 kilometers is 0.000379 times the length of The Rhine, and the length of The Rhine is 2,640 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 1,320 km 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 one-four-thousand-five-hundredth as long as The Colorado River.
In other words, 0.50 kilometers is 0.000215 times the length of The Colorado River, and the length of The Colorado River is 4,650 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 2,330 km in length. Along this length, the river descends from its source, approximately 2.750 kilometers above sea level in the Rocky Mountains, to its mouth in the Gulf of California.
It's about one-five-thousand-five-hundredth as long as The Danube.
In other words, 0.50 kilometers is 0.000175 times the length of The Danube, and the length of The Danube is 5,710 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 2,850 km in total length. Intersecting Vienna, Austria; Bratislava, Slovakia; Budapest, Hungary; and Belgrade, Serbia, the Danube touches more capital cities than any other river.