It's about one-one-thousandth as tall as Denali.
In other words, 216 inches is 0.0008859 times the height of Denali, and the height of Denali is 1,129 times that amount.(a.k.a. Mount McKinley, a.k.a. Doleika, a.k.a. Traleika, a.k.a. "The Great One") (Denali National Park and Preserve, Alaska) (South peak)
The highest mountain peak in North America, Denali's South Peak measures 243,800 inches above sea level at its peak. The impetus for the name Mount McKinley was US president William McKinley of Ohio, and disputes over the which of the mountain's names should be officially recognized regularly occur between Ohio Congressmen and Alaska politicians.
It's about one-one-thousandth as long as The Las Vegas Strip.
In other words, 216 inches is 0.00081 times the length of The Las Vegas Strip, and the length of The Las Vegas Strip is 1,200 times that amount.(Las Vegas Boulevard S and W from Russel Rd to Sahara Ave)(Paradise, Nevada through Winchester, Nevada).
Although technically located beyond the city limits of Las Vegas (along with the well-known "Welcome to Fabulous Las Vegas" sign), the stretch of road known as the "Las Vegas Strip" runs 270,000 inches along Las Vegas Boulevard South and West from Russel Road at the south end to Sahara Avenue at the north end. The casinos and hotels on the Strip display an estimated total of 940,000,000 inches of neon light tubing.
It's about one-one-thousand-five-hundredth as tall as Aconcagua.
In other words, 216 inches is 0.00078806 times the height of Aconcagua, and the height of Aconcagua is 1,268.90 times that amount.(a.k.a. Cerro Aconcagua) (Mendoza, Argentina)
Aconcagua measures 274,090 inches height at its peak. Although there is no definitive evidence that members of the indigenous Inca civilization ever reached the peak the mountain, numerous archeological sites have been found on the slopes of the mountain, including a naturally-embalmed Incan mummy was discovered on a 204,720 inches high ridge.
It's about one-one-thousand-five-hundredth as tall as Mount Everest.
In other words, the height of Mount Everest is 1,610 times 216 inches.(a.k.a. Mount Chomolungma, a.k.a. सगरमाथा, a.k.a. Chajamlungma, a.k.a. ཇོ་མོ་གླང་མ, a.k.a. 珠穆朗玛峰, a.k.a. Zhūmùlǎngmǎ Fēng) (Sagarmatha Zone, Nepal and Tibet, China) (to summit, excluding snow depth)
Mount Everest is 348,000 inches above sea level at its summit. The plate tectonics of the Indian subcontinent continuously alter the mountain's peak — raising it by 0.1570 inches and shifting it to the northeast by 0.1770 inches each year.
It's about one-one-thousand-five-hundredth as tall as a Mauna Loa.
In other words, 216 inches is 0.0005984 times the height of a Mauna Loa, and the height of a Mauna Loa is 1,671 times that amount.(Hawaii) (Hawaiian island volcano) (total height from seafloor)
Mauna Loa, one of the five volcanoes which forms the island of Hawaii and the tallest mountain in total height in the world, rises to 362,200 inches above the seafloor. The peak of Loa is home to the approximately 6,000 sq. m (0.6 ha) Lake Waiau, one of the highest altitude lakes in the United States outside of Colorado.
It's about one-two-thousandth as tall as The Challenger Deep (Marianas Trench).
In other words, 216 inches is 0.00050325 times the height of The Challenger Deep (Marianas Trench), and the height of The Challenger Deep (Marianas Trench) is 1,987.10 times that amount.(near Marianas Islands, a.k.a. Ladrones Islands, northwestern Pacific Ocean) (depth below sea level)
The Challenger Deep, at the southern end of the Marianas Trench, reaches a depth of 429,210 inches below sea level. There has been only one manned expedition to the bottom of Challenger Deep — a 1960 voyage that took 4 hours and 48 minutes to reach the bottom.
It's about one-two-thousandth as tall as Maxwell Montes.
In other words, the height of Maxwell Montes is 2,000 times 216 inches.(Ishtar Terra, Venus)
Maxwell Montes rises to a total height of 430,000 inches. Since Venus does not seem to have the kind of tectonic activity which gives rise to mountains on Earth, the origin of the Venusian mountain remains the subject of some dispute.