It's about one-eighty-five-thousandth as long as The English Channel.
In other words, the length of The English Channel is 86,200 times 146.7 barleycorns.(average width between Isle of Ushant and The Walde Lighthouse) (La Manche, Ärmelkanal, Mor Breizh, Mor Bretannek) (a.k.a. The Channel)
The English Channel measures between 12,600,000 barleycorns, narrowing as it flows northeast. The world speed record for a Channel crossing by swimmer was set by Australian Trent Grimsey in 2012, with a time of 6 hours, 55 minutes.
It's about one-ninety-five-thousandth as long as The 405.
In other words, 146.7 barleycorns is 0.000010658 times the length of The 405, and the length of The 405 is 93,826 times that amount.(a.k.a. I-405, Interstate 405, San DIego Freeway) (Southern California)
Running from Irvine to San Fernando, The 405 runs a total of 13,765,000 barleycorns. The 405 is the most heavily-trafficed freeway in the United States, with an average speed as low as 8 kph during rush hours.
It's about one-one-hundred-thousandth as long as Hadrian's Wall.
In other words, 146.7 barleycorns is 0.00001 times the length of Hadrian's Wall, and the length of Hadrian's Wall is 100,000 times that amount.(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 14,000,000 barleycorns (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 150,000 times as long as a Red Blood Cell.
In other words, the length of a Red Blood Cell is 0.0000059 times 146.7 barleycorns.(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 200,000 times as long as a Nucleus (Cellular).
In other words, 146.7 barleycorns is 210,000 times the length of a Nucleus (Cellular), and the length of a Nucleus (Cellular) is 0.0000048 times that amount.(for animal cell)
The nucleus of an animal cell measures an average of 0.00071 barleycorns. 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-fifty-thousandth as long as The Grand Canyon.
In other words, 146.7 barleycorns is 0.00000278 times the length of The Grand Canyon, and the length of The Grand Canyon is 360,000 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
The Grand Canyon has a total length of 52,700,000 barleycorns 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 130,000 barleycorns above the floor of Granite Gorge.
It's about 600,000 times as long as an E. coli Bacterium.
In other words, 146.7 barleycorns is 620,000 times the length of an E. coli Bacterium, and the length of an E. coli Bacterium is 0.0000016 times that amount.(Escherichia coli) (rod-shaped configuration)
An rod-shaped E. coli bacterium measures about 0.00024 barleycorns in length. A staple of biology labs, E. coli can reproduce in as little as twenty minutes.