Ontario, United States
Dig straight through the Earth and the nearest airport to where you come out is Tôlanaro Airport, Madagascar.
of the world's airports sit lower than ONO.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 15 / 33 | 5,006 ft 1,526 m | 100 ft | Asphalt | 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.