Nonstop flight route between San Diego, California, United States and Marion, Illinois, United States:
Departure Airport:

Arrival Airport:

Distance from SDM to MWA:
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- About this route
- SDM Airport Information
- MWA Airport Information
- Facts about SDM
- Facts about MWA
- Map of Nearest Airports to SDM
- List of Nearest Airports to SDM
- Map of Furthest Airports from SDM
- List of Furthest Airports from SDM
- Map of Nearest Airports to MWA
- List of Nearest Airports to MWA
- Map of Furthest Airports from MWA
- List of Furthest Airports from MWA
About this route:
A direct, nonstop flight between Brown Field Municipal Airport (SDM), San Diego, California, United States and Williamson County Regional Airport (MWA), Marion, Illinois, United States would travel a Great Circle distance of 1,613 miles (or 2,597 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 Brown Field Municipal Airport and Williamson County Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | SDM / KSDM |
Airport Name: | Brown Field Municipal Airport |
Location: | San Diego, California, United States |
GPS Coordinates: | 32°34'19"N by 116°58'49"W |
Area Served: | San Diego, California |
Operator/Owner: | City of San Diego |
Airport Type: | Public |
Elevation: | 526 feet (160 meters) |
# of Runways: | 2 |
View all routes: | Routes from SDM |
More Information: | SDM Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | MWA / KMWA |
Airport Name: | Williamson County Regional Airport |
Location: | Marion, Illinois, United States |
GPS Coordinates: | 37°45'18"N by 89°0'39"W |
Area Served: | Marion, Illinois |
Operator/Owner: | Williamson County Airport Authority |
Airport Type: | Public |
Elevation: | 472 feet (144 meters) |
# of Runways: | 2 |
View all routes: | Routes from MWA |
More Information: | MWA Maps & Info |
Facts about Brown Field Municipal Airport (SDM):
- Tijuana Airport, an airline airport, is just over 1 nmi to the south across the Mexico-United States border, with a similar length and a slightly different runway orientation.
- The closest airport to Brown Field Municipal Airport (SDM) is Tijuana International Airport (TIJ), which is located only 2 miles (4 kilometers) SSE of SDM.
- In 1951 the Navy reopened Brown Field due to increased military activity from the Korean War.
- The furthest airport from Brown Field Municipal Airport (SDM) is Sir Gaëtan Duval Airport (RRG), which is located 11,551 miles (18,590 kilometers) away in Rodrigues Island, Mauritius.
- Because of Brown Field Municipal Airport's relatively low elevation of 526 feet, planes can take off or land at Brown Field Municipal 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.
- Brown Field Municipal Airport (SDM) has 2 runways.
- On March 16, 1991, seven members of Reba McEntire's band and her road manager were among 10 people who died in the crash of a plane that departed from Brown Field.
Facts about Williamson County Regional Airport (MWA):
- The airport covers 1,300 acres at an elevation of 472 feet.
- Williamson County Regional Airport is five miles west of Marion, in Williamson County, Illinois.
- The closest airport to Williamson County Regional Airport (MWA) is Southern Illinois Airport (MDH), which is located only 13 miles (21 kilometers) W of MWA.
- Because of Williamson County Regional Airport's relatively low elevation of 472 feet, planes can take off or land at Williamson County Regional 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 Williamson County Regional Airport (MWA) is Margaret River Airport (MGV), which is located 11,065 miles (17,807 kilometers) away in Margaret River, Western Australia, Australia.
- Williamson County Regional Airport (MWA) has 2 runways.