Groom Lake, United States
Dig straight through the Earth and the nearest airport to where you come out is Sir Charles Gaetan Duval Airport, Mauritius.
of the world's airports sit lower than KXTA.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 14 / 32 | 12,000 ft 3,658 m | – | Unk | – |
A runway is named after its compass heading divided by ten: 09 points east (090°) and 27 west (270°). L, C and R mark the left, centre and right of parallel runways.