It's about eighteen-and-a-half times as long as Baseball base distances.
In other words, 556 yards is 18.5330 times the length of Baseball base distances, and the length of Baseball base distances is 0.053958 times that amount.(MLB Official Baseball Rules specification)
According to MLB Official Baseball Rules, the distance between baseball diamond bases is 30 yards. While second and home base are located upon the corners of the 27.432 sq. m area created by the bases, first and third base are placed within that square, to better allow the umpires to judge whether a ball is fair or foul.
It's about one-twentieth as tall as The Challenger Deep (Marianas Trench).
In other words, 556 yards is 0.046634 times the height of The Challenger Deep (Marianas Trench), and the height of The Challenger Deep (Marianas Trench) is 21.4440 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 11,923 yards 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-twentieth as tall as Maxwell Montes.
In other words, the height of Maxwell Montes is 22 times 556 yards.(Ishtar Terra, Venus)
Maxwell Montes rises to a total height of 12,000 yards. 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.
It's about thirty times as long as a Cricket Pitch.
In other words, 556 yards is 25.27270 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 0.0395684 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #6)
The length of a cricket pitch, from one bowling crease to the other, is 22 yards. The wickets at either end of the pitch stand 0.7874020 yards tall including the bails.
It's about thirty times as long as a Bowling Lane.
In other words, 556 yards is 26.540 times the length of a Bowling Lane, and the length of a Bowling Lane is 0.037679 times that amount.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 20.9490 yards. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about thirty times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.029 times 556 yards.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 16 yards tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about thirty times as long as a Semitrailer.
In other words, 556 yards is 34.750 times the length of a Semitrailer, and the length of a Semitrailer is 0.02878 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 16 yards (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.