Jeju Island, South Korea
Dig straight through the Earth and the nearest airport to where you come out is João Simões Lopes Neto International Airport, Brazil.
of the world's airports sit lower than JDG.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 01 / 19 | 7,589 ft 2,313 m | 149 ft | Asphalt | Lit |
| 15 / 33 | 4,974 ft 1,516 m | 80 ft | Asphalt | – |
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.