Google Earth shows Area 51, and 4 runways. The longest (24000 ft) is closed (yellow xs painted on runway). Two may be dry lake runways, at about 10,000 and 11,000 ft. The remaining asphalt runway is about 13,800 ft.
The runway is 2 miles long
other than hard-surface runways. Like grass or dirt runways.
Paved Runways
Paved Runways
Unpaved Runways
Since 1955.
Area 51 is in Nevada.
Runways vary in length hugely around the world
No one revealed Area 51.
No he's a busy man no need to trouble him with that information. Besides they moved out of area 51 a long time ago, they've got some new site
visual runways, non-precision instrument runways, and precision instrument runways
This varies greatly. Small general aviation airports may have runways as short as 1500 feet. Most municipals have runways that are at least 3000 feet. Your typical international airport designed for airline traffic will have runways around 10,000 feet long. The space shuttle landing facility has one of the longest runways in the world at 15,000 feet with 1000 feet of paved overrun space at each end.