It's about one-tenth as tall as Burj Dubai
In other words, 121.60 meters is 0.1470 times the height of Burj Dubai, and the height of Burj Dubai is 6.80 times that amount.(formally Burj Khalifa, a.k.a. Dubai Tower, a.k.a. برج خليفة) (Dubai, UAE) (to roof)
Burj Khalifa, the tallest manmade structure in the world, stands 828 m to its roof. The tower also holds the current records for the world's highest Islamic mosque — at approximately 577 m on the 158th floor (of 163 floors) — and the world's tallest outdoor swimming pool — at approximately 285 m on the 78th floor.
It's about one-tenth as tall as Olo'upena Falls
In other words, 121.60 meters is 0.13510 times the height of Olo'upena Falls, and the height of Olo'upena Falls is 7.4020 times that amount.(a.k.a. Oloupena Falls) (Molokai, Hawaii)
Olo'upena Falls rise to 900.1 m in height. The isolated falls are the tallest in the United States and the fourth tallest in the world.
It's about one-tenth as tall as Tugela Falls
In other words, 121.60 meters is 0.1280 times the height of Tugela Falls, and the height of Tugela Falls is 7.810 times that amount.(Royal Natal National Park, KwaZulu-Natal, South Africa)
Tugela Falls rises to 948 m in height. The falls are the highest in Africa and the second highest in the world.
It's about one-tenth as tall as Angel Falls
In other words, 121.60 meters is 0.1240 times the height of Angel Falls, and the height of Angel Falls is 8.06 times that amount.(a.k.a. Parakupa-vena, a.k.a. Kerepakupai mer&) (Auyantepui, Canaima National Park, Venezuela) (total height)
Angel Falls has a total height 979 m. Jimmie Angel, the first person to publicize their existence outside Venezuela and the namesake of the falls, damaged his monoplane atop the falls and was forced to abandon it; it remained there until it was removed 33 years later.
It's about eight times as tall as The Hollywood Sign
In other words, 121.60 meters is 8.10 times the height of The Hollywood Sign, and the height of The Hollywood Sign is 0.120 times that amount.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 15 m tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about eight-and-a-half times as long as a Semitrailer
In other words, 121.60 meters is 8.3120 times the length of a Semitrailer, and the length of a Semitrailer is 0.12030 times that amount.(a.k.a. semi-trailer truck, a.k.a. semi, a.k.a. tractor-trailer, a.k.a. truck and trailer, a.k.a. eighteen-wheeler, a.k.a. big rig, a.k.a. Mack truck, a.k.a. transport, a.k.a. lorry, a.k.a. artic; for box truck; United States Federal length limits)
According to the United States Department of Transportation (DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 14.63 m (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about nine-and-a-half times as tall as a Brachiosaurus
In other words, the height of a Brachiosaurus is 0.110 times 121.60 meters.(based on comparable bone measurements, height to head)
Dinosaurs in the genus Brachiosaurus had an estimated height (at the head with neck fully extended) of up to 13 m. A resin cast of the first Brachiosaurus specimen, owned by the Field Museum in Chicago, is currently on display at the O'Hare International Airport.