It's about nine-tenths as long as a Bowling Lane.
In other words, 687 inches is 0.91093 times the length of a Bowling Lane, and the length of a Bowling Lane is 1.0978 times that amount.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 754.17 inches. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about nine-tenths as long as a Cricket pitch.
In other words, 687 inches is 0.867424 times the length of a Cricket pitch, and the length of a Cricket pitch is 1.15284 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #7)
It's about one-and-one-fifth times as long as a Semitrailer.
In other words, 687 inches is 1.193 times the length of a Semitrailer, and the length of a Semitrailer is 0.8382 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(DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 576 inches (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about one-and-one-fifth times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.83 times 687 inches.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
It's about one-and-three-tenths times as tall as a Brachiosaurus.
In other words, the height of a Brachiosaurus is 0.77 times 687 inches.(based on comparable bone measurements, height to head)
It's about two-thirds as long as Baseball base distances.
In other words, 687 inches is 0.63611 times the length of Baseball base distances, and the length of Baseball base distances is 1.5721 times that amount.(MLB Official Baseball Rules specification)
According to MLB Official Baseball Rules, the distance between baseball diamond bases is 1,080 inches. 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-and-three-fifths times as tall as a Telephone Pole.
In other words, the height of a Telephone Pole is 0.63 times 687 inches.(a.k.a. Utility Pole, a.k.a Power Pole, a.k.a. Telegraph Pole, a.k.a. Telegraph Post, a.k.a. Hydro Pole) (exposed height; per Florida Public Service Commission average)