Dig straight through the Earth and the nearest airport to where you come out is Williams Field Skiway, Antarctica.
of the world's airports sit lower than RU-4421.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 16 / 34 | 7,710 ft 2,350 m | 131 ft | Concrete | Lit |
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.