It's about as long as The National Mall.
(Washington, D.C.) (to Lincoln Memorial)
From the steps of the Capitol Building to the Lincoln Memorial, the National Mall is 3,000 meters. On December 4th, 2008, the entirety of the Mall was declared open to the public for the first time in American history in anticipation of the estimated two million visitors to the Mall for the inauguration of President Barack Obama on January 20th, 2009.
It's about one-and-one-tenth times as long as The Indianapolis Motor Speedway.
In other words, 4,421 meters is 1.09883 times the length of The Indianapolis Motor Speedway, and the length of The Indianapolis Motor Speedway is 0.9100590 times that amount.(Speedway, Indiana) (rectangular oval course)
The rectangular oval course of the Indianapolis Motor Speedway is 4,023.360 meters. While famous for its automotive racing, the first motorsport held at the track was a series of motorcycle races in August, 1909 — a little less than two years before the inaugural Indianapolis 500 race was run.
It's about one-and-one-tenth times as long as Daytona International Speedway.
In other words, 4,421 meters is 1.09883 times the length of Daytona International Speedway, and the length of Daytona International Speedway is 0.9100590 times that amount.(Daytona Beach, Florida) (tri-oval course)
The tri-oval course of the Daytona International Speedway, upon which the NASCAR Daytona 500 is run, is 4,023.360 meters in length. Although the tri-oval design is said to allow for greater visibility during the race, the real reason for the then-unique design was that plot available for construction of the track was only 350 acres and could not accommodate a traditional oval layout of appropriate length.
It's about one-and-one-tenth times as long as The Hollywood Walk of Fame.
In other words, the length of The Hollywood Walk of Fame is 0.910 times 4,421 meters.(Hollywood Boulevard and Vine Street, Hollywood, California) (approximate length)
The Hollywood Walk of Fame is approximately 3,900 meters. Gene Autry, most famous as the singer of "Back in the Saddle Again" and as the writer and singer of "Here Comes Santa Claus," is the only entertainer to have a star in every category — film, television, recording, radio, and theater. One of Autry's stars is also one of only two stars which have been stolen from the Walk and never recovered.
It's about nine-tenths as tall as a Puncak Jaya.
In other words, 4,421 meters is 0.90520 times the height of a Puncak Jaya, and the height of a Puncak Jaya is 1.1050 times that amount.(a.k.a. Mt. Carstensz, a.k.a. Carstensz Pyramid, a.k.a. Nemangkawi, a.k.a. Carstensz Toppen, a.k.a. Gunung Sukarno) (Papua province, Indonesia)
The highest point in Oceania (and therefore one of the seven summits) peak of Puncak Jaya is 4,884 m. Dutch explorer Jan Carstenszoon, the mountain's namesake, is said to have been ridiculed for claiming to have seen snow near the equator when he reported his discovery of the peak in 1623.
It's about nine-tenths as tall as a Vinson Massif.
In other words, 4,421 meters is 0.90370 times the height of a Vinson Massif, and the height of a Vinson Massif is 1.1070 times that amount.(a.k.a. Mount Vinson) (Antarctica)
Mount Vinson, the highest peak of the Vinson Massif mountain, reaches 4,892 m at its peak. The mountain is named after Georgia Congressman Carl Vinson who emphatically promoted Antarctic exploration in the 1930s.
It's about four-fifths as tall as Mount Elbrus.
In other words, 4,421 meters is 0.78360 times the height of Mount Elbrus, and the height of Mount Elbrus is 1.2760 times that amount.(a.k.a. Mingi Tau, a.k.a. Эльбрус, a.k.a. იალბუზი) (Karachay-Cherkessia and Kabardino-Balkaria, Russia) (west summit)
The west summit of the dual-summit volcano Mount Elbrus is 5,642 m at its peak and is the highest peak in both Russia and the European continent. Until 1976, a cable car would take visitors to the mountain as far up as the Garabashi camp, located at an elevation of 3,800 m.