Dig straight through the Earth and the nearest airport to where you come out is Flores Airport, Portugal.
of the world's airports sit higher than SIO.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 06 / 24 | 5,246 ft 1,599 m | 60 ft | Asphalt | Lit |
| 10 / 28 | 2,034 ft 620 m | 98 ft | Gravel | – |
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.