Nonstop flight route between St. Louis, Missouri, United States and Ephrata, Washington, United States:
Departure Airport:

Arrival Airport:

Distance from STL to EPH:
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- About this route
- STL Airport Information
- EPH Airport Information
- Facts about STL
- Facts about EPH
- Map of Nearest Airports to STL
- List of Nearest Airports to STL
- Map of Furthest Airports from STL
- List of Furthest Airports from STL
- Map of Nearest Airports to EPH
- List of Nearest Airports to EPH
- Map of Furthest Airports from EPH
- List of Furthest Airports from EPH
About this route:
A direct, nonstop flight between Lambert–St. Louis International Airport (STL), St. Louis, Missouri, United States and Ephrata Municipal Airport (EPH), Ephrata, Washington, United States would travel a Great Circle distance of 1,575 miles (or 2,535 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 relatively short distance between Lambert–St. Louis International Airport and Ephrata Municipal Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | STL / KSTL |
Airport Name: | Lambert–St. Louis International Airport |
Location: | St. Louis, Missouri, United States |
GPS Coordinates: | 38°44'49"N by 90°21'41"W |
Area Served: | Greater St. Louis, Missouri |
Operator/Owner: | City of St. Louis |
Airport Type: | Public |
Elevation: | 605 feet (184 meters) |
# of Runways: | 4 |
View all routes: | Routes from STL |
More Information: | STL Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | EPH / KEPH |
Airport Names: |
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Location: | Ephrata, Washington, United States |
GPS Coordinates: | 47°18'29"N by 119°31'0"W |
Area Served: | Ephrata, Washington |
Airport Type: | Public |
Elevation: | 1276 feet (389 meters) |
# of Runways: | 3 |
View all routes: | Routes from EPH |
More Information: | EPH Maps & Info |
Facts about Lambert–St. Louis International Airport (STL):
- In the late 1920s, Lambert Field became the first airport with an air traffic control system—albeit one that communicated with pilots via waving flags.
- The closest airport to Lambert–St. Louis International Airport (STL) is St. Louis Downtown Airport (CPS), which is located only 16 miles (27 kilometers) SE of STL.
- On July 16, 2003, AA announced it was significantly reducing its Lambert hub effective November 1, 2003, cutting it from 417 daily flights to 207, effective November 1, 2003.
- In 1982, Trans World Airlines moved its hub from Kansas City International Airport.
- In May 2013, Moody's raised its rating on Lambert Airport's bonds to A3-stable outlook from Baa1 with a stable outlook.
- Because of Lambert–St. Louis International Airport's relatively low elevation of 605 feet, planes can take off or land at Lambert–St. Louis International 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.
- To handle the increasing passenger traffic, Minoru Yamasaki was commissioned to design a new terminal at Lambert.
- Lambert–St. Louis International Airport (STL) has 4 runways.
- The furthest airport from Lambert–St. Louis International Airport (STL) is Margaret River Airport (MGV), which is located 10,986 miles (17,681 kilometers) away in Margaret River, Western Australia, Australia.
Facts about Ephrata Municipal Airport (EPH):
- The closest airport to Ephrata Municipal Airport (EPH) is Grant County International Airport (MWH), which is located only 12 miles (19 kilometers) SE of EPH.
- For the 12-month period ending June 28, 2010, the airport had 135,140 general aviation aircraft operations, an average of 370 per day.
- Ephrata Municipal Airport (EPH) has 3 runways.
- Parts of the 1989 Steven Spielberg film Always were filmed on the airport.
- The furthest airport from Ephrata Municipal Airport (EPH) is Tôlanaro Airport (FTU), which is located 10,729 miles (17,266 kilometers) away in Tôlanaro, Madagascar.
- In addition to being known as "Ephrata Municipal Airport", another name for EPH is "Ephrata Army Airfield".