It's about one-six-hundred-thousandth as long as The Mississippi River
In other words, 7 yards is 0.00000170 times the length of The Mississippi River, and the length of The Mississippi River is 588,200 times that amount.(from Lake Itasca, Minnesota through Pilottown, Plaquemines Parish, Louisiana)
The total length of the Mississippi River is 4,119,000 yards. Prior to the development of soil erosion programs, the Mississippi River would carry approximately 400 million metric tons of sediment from its banks to the Gulf of Mexico every year.
It's about one-seven-hundred-thousandth as long as The Distance from L.A. to New York
In other words, 7 yards is 0.000001430 times the length of The Distance from L.A. to New York, and the length of The Distance from L.A. to New York is 699,000 times that amount.(Los Angeles, California to New York City, New York) (via I-10 E, I-15 N, I-70 E, I-76 E, I-80 E, I-280 E)
The total length of the freeway route from Los Angeles, California to New York City, New York via Interstate 80 is 4,910,000 yards long. This route intersects eleven states and several major cities, including Las Vegas, Nevada; Denver, Colorado; Lincoln, Nebraska; Omaha, Nebraska; Des Moines, Iowa; South Bend, Indiana; and Cleveland, Ohio.
It's about one-seven-hundred-thousandth as long as I-80
In other words, 7 yards is 0.000001380070 times the length of I-80, and the length of I-80 is 724,601 times that amount.(a.k.a. Interstate 80, a.k.a. Keystone Shortway) (net length)
Interstate 80, crosses the continent of North America from Teaneck, New Jersey to San Francisco, California and covers a total length of 5,072,210 yards. A 65,616.80 yards stretch between mile marker 318 in Grand Island, Nebraska and mile marker 390 in Lincoln, Nebraska is the longest straight path in the US Interstate system.
It's about 850,000 times as long as a Red Blood Cell
In other words, the length of a Red Blood Cell is 0.00000120 times 7 yards.(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 one-one-millionth as long as The Great Wall of China (wall only)
In other words, 7 yards is 0.0000010230 times the length of The Great Wall of China (wall only), and the length of The Great Wall of China (wall only) is 977,500 times that amount.(长城, 長城, Chángchéng, a.k.a. 万里长城, 萬里長城, Wànlǐ Chángchéng) (a.k.a. "The long wall of 10,000 Li") (from Shanhaiguan through Lop Nur, China) (wall segments only)
The Great Wall of China has total wall segment length of 6,845 yards. Built and maintained in multiple sections over about eleven centuries, the Great Wall is currently suffering the effects of erosion, especially in the older sections made primarily out of mud.
It's about 0.0000010 times as long as The Amazon River
In other words, 7 yards is 0.00000099440 times the length of The Amazon River, and the length of The Amazon River is 1,006,000 times that amount.(from Nevado Mismi, Arequipa, Peru through near Marajó, Brazil) (approximate distance)
The Amazon River has an approximate distance of 7,040,000 yards. Although by most measures it is the largest and one of the most significant rivers in the world, the region surrounding the Amazon is mostly sparsely populated and the river itself has no bridges across it at any point.
It's about 1,000,000 times as long as a Nucleus (Cellular)
In other words, 7 yards is 1,100,000 times the length of a Nucleus (Cellular), and the length of a Nucleus (Cellular) is 0.000000910 times that amount.(for animal cell)
The nucleus of an animal cell measures an average of 0.00000660 yards. The nucleus is the largest organelle in these cells, accounting for about 10% of the cell's total volume.