Nonstop flight route between Greenville, Illinois, United States and Changi, Singapore:
Departure Airport:

Arrival Airport:

Distance from GRE to SIN:
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- About this route
- GRE Airport Information
- SIN Airport Information
- Facts about GRE
- Facts about SIN
- Map of Nearest Airports to GRE
- List of Nearest Airports to GRE
- Map of Furthest Airports from GRE
- List of Furthest Airports from GRE
- Map of Nearest Airports to SIN
- List of Nearest Airports to SIN
- Map of Furthest Airports from SIN
- List of Furthest Airports from SIN
About this route:
A direct, nonstop flight between Greenville Airport (GRE), Greenville, Illinois, United States and Singapore Changi Airport (SIN), Changi, Singapore would travel a Great Circle distance of 9,533 miles (or 15,341 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Greenville Airport and Singapore Changi Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Greenville Airport and Singapore Changi Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | GRE / KGRE |
Airport Name: | Greenville Airport |
Location: | Greenville, Illinois, United States |
GPS Coordinates: | 38°50'9"N by 89°22'45"W |
Area Served: | Greenville, Illinois |
Operator/Owner: | Greenville Airport Authority |
Airport Type: | Public |
Elevation: | 541 feet (165 meters) |
# of Runways: | 2 |
View all routes: | Routes from GRE |
More Information: | GRE Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SIN / WSSS |
Airport Names: |
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Location: | Changi, Singapore |
GPS Coordinates: | 1°21'33"N by 103°59'21"E |
Area Served: | Singapore |
Operator/Owner: | Government of Singapore |
Airport Type: | Public / Military |
Elevation: | 22 feet (7 meters) |
# of Runways: | 3 |
View all routes: | Routes from SIN |
More Information: | SIN Maps & Info |
Facts about Greenville Airport (GRE):
- Greenville Airport (GRE) has 2 runways.
- Because of Greenville Airport's relatively low elevation of 541 feet, planes can take off or land at Greenville Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- The furthest airport from Greenville Airport (GRE) is Margaret River Airport (MGV), which is located 11,038 miles (17,764 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to Greenville Airport (GRE) is Salem–Leckrone Airport (SLO), which is located 26 miles (42 kilometers) ESE of GRE.
Facts about Singapore Changi Airport (SIN):
- The master plan for the existing airport initially involved a dual-terminal and dual-runway configuration over two phases with provisions for another two passenger terminals in the near future.
- The airport, operated by the Changi Airport Group, is the home base of Singapore Airlines, Singapore Airlines Cargo, SilkAir, AirAsia, Scoot,Tigerair, Jetstar Asia Airways, and Valuair.
- Singapore Changi Airport (SIN) has 3 runways.
- Because of Singapore Changi Airport's relatively low elevation of 22 feet, planes can take off or land at Singapore Changi Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- Changi Airport has three passenger terminals with a total annual handling capacity of 66 million passengers.
- In addition to being known as "Singapore Changi Airport", other names for SIN include "Lapangan Terbang Antarabangsa Changi Singapura", "新加坡樟宜机场(Xīnjiāpō Zhāngyí Jīchǎng)" and "சிங்கப்பூர் சாங்கி விமானநிலையம் (Ciṅkappūr Cāṅki Vimana Nilaiyam)".
- The first phase costing about S$1.3 billion opened on 1 July 1981 with the first flight, Singapore Airlines Flight 101, touching down at 0700 hours UTC with 140 passengers from Kuala Lumpur.
- Minister of State for Transport Josephine Teo, who leads a 10-member Multi-agency committee that has been working on the blueprint which includes the construction of Terminal 5 – the airport's biggest passenger facility – a third runway for commercial flights, cargo complexes and other supporting infrastructure for around 18 months.
- The closest airport to Singapore Changi Airport (SIN) is Paya Lebar Air Base (PLAB) (QPG), which is located only 6 miles (9 kilometers) W of SIN.
- The furthest airport from Singapore Changi Airport (SIN) is Francisco de Orellana Airport (OCC), which is nearly antipodal to Singapore Changi Airport (meaning Singapore Changi Airport is almost on the exact opposite side of the Earth from Francisco de Orellana Airport), and is located 12,345 miles (19,868 kilometers) away in Coca, Ecuador.
- Resurfacing works costing S$50m on its dual runways and older taxiways were announced in January 2007 along with improvements to the security systems of Changi Airport such as access controls and surveillance systems to make the airport safer for travellers.