How long is 13 feet?

It's about three times as tall as Gary Coleman

The height of Gary Coleman is about 4.60 feet.

(a.k.a. Gary Wayne Coleman) (1978-2009) (actor)

It's about three times as tall as Matt Roloff

The height of Matt Roloff is about 4.30 feet.

(1961-) (actor and reality television star)

It's about three-and-a-half times as tall as Hervé Villechaize

The height of Hervé Villechaize is about 3.90 feet.

(a.k.a. Hervé Jean-Pierre Villechaize) (1943-1993) (actor)

It's about three-tenths as tall as a Brachiosaurus

The height of a Brachiosaurus is about 43 feet.

(based on comparable bone measurements, height to head)

It's about three-and-a-half times as tall as Kenny Baker

The height of Kenny Baker is about 3.60 feet.

(a.k.a. Kenneth George Baker) (1934-2016) (actor)

It's about one-fourth as long as a Semitrailer

The length of a Semitrailer is about 48 feet.

(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)

It's about one-fourth as tall as The Hollywood Sign

The height of The Hollywood Sign is about 49 feet.

(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)

It's about four-and-a-half times as tall as General Tom Thumb

The height of General Tom Thumb is about 3 feet.

(a.k.a. Charles Sherwood Stratton) (1838-1883) (circus performer; height at death)

It's about one-fifth as long as a Bowling Lane

The length of a Bowling Lane is about 62.8480 feet.

(USBC specifications; tenpin; including pin deck)

It's about five times as tall as Verne Troyer

The height of Verne Troyer is about 2.70 feet.

(1969-2018) (actor)

It's about five times as long as a Man's Footstep

The length of a Man's Footstep is about 2.60 feet.

(for healthy, middle-aged man of average height; single step length)

It's about one-fifth as long as a Cricket Pitch

The length of a Cricket Pitch is about 66 feet.

(per Marylebone Cricket Council / International Cricket Council Law #6)

It's about six times as long as a Woman's Footstep

The length of a Woman's Footstep is about 2.20 feet.

(for healthy, middle-aged woman of average height; single step length)

It's about one-tenth as long as Baseball base distances

The length of Baseball base distances is about 90 feet.

(MLB Official Baseball Rules specification)

It's about ten-and-a-half times as tall as a Bowling Pin

The height of a Bowling Pin is about 1.250 feet.

(USBC specifications; tenpin)