* No official boundary: There isn't a clear-cut line in the atmosphere where space begins.
* Kármán Line: A commonly used definition is the Kármán Line, located at 100 kilometers (62 miles) above sea level. This is roughly 328,084 feet.
* Other definitions: Some people use 80 kilometers (50 miles) as the "edge of space."
In short, depending on the definition, it's roughly between 328,084 and 262,467 feet to space.