Porto Nacional, Brazil
Dig straight through the Earth and the nearest airport to where you come out is Roman Tmetuchl International Airport, Palau.
of the world's airports sit lower than PNB.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 5 / 23 | 5,577 ft 1,700 m | 98 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.