The small intestine.
The longest body part in the human body is the small intestine, which is around 20 feet long on average. A body part that is 46 miles long does not exist in the human body.
20 feet!20 feet!20 feet!20 feet!
You have very long arms if it is 20 metres long! 20 metres = 65.6 feet
Large intestine.
20 metres is 65.6168 feet.
about 20 feet
20 ft x 20 ft = 400 square ft
50 ft * 20 feet = 1000 square feet.
240 feet long, 66 feet tall, and 20 feet wide
20 square feet.
1584 feet x 550 feet = 20 acres.
20' 10.8"