Nonstop flight route between San Diego, California, United States and Coonamble, New South Wales, Australia:
Departure Airport:

Arrival Airport:

Distance from SDM to CNB:
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- About this route
- SDM Airport Information
- CNB Airport Information
- Facts about SDM
- Facts about CNB
- 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 CNB
- List of Nearest Airports to CNB
- Map of Furthest Airports from CNB
- List of Furthest Airports from CNB
About this route:
A direct, nonstop flight between Brown Field Municipal Airport (SDM), San Diego, California, United States and Coonamble Airport (CNB), Coonamble, New South Wales, Australia would travel a Great Circle distance of 7,573 miles (or 12,188 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 Brown Field Municipal Airport and Coonamble 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 Brown Field Municipal Airport and Coonamble Airport. You'll see that it will travel the same route of the red line on this map!
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: | CNB / YCNM |
Airport Name: | Coonamble Airport |
Location: | Coonamble, New South Wales, Australia |
GPS Coordinates: | 30°58'59"S by 148°22'30"E |
Operator/Owner: | Coonamble Shire Council |
Airport Type: | Public |
Elevation: | 604 feet (184 meters) |
# of Runways: | 2 |
View all routes: | Routes from CNB |
More Information: | CNB Maps & Info |
Facts about Brown Field Municipal Airport (SDM):
- Brown Field Municipal Airport (SDM) has 2 runways.
- In 1951 the Navy reopened Brown Field due to increased military activity from the Korean War.
- 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.
- 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.
- 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.
Facts about Coonamble Airport (CNB):
- The furthest airport from Coonamble Airport (CNB) is Horta International Airport (HOR), which is located 11,891 miles (19,136 kilometers) away in Horta, Azores, Portugal.
- Coonamble Airport (CNB) has 2 runways.
- Because of Coonamble Airport's relatively low elevation of 604 feet, planes can take off or land at Coonamble 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 closest airport to Coonamble Airport (CNB) is Coonabarabran Airport (COJ), which is located 58 miles (93 kilometers) ESE of CNB.