Nonstop flight route between Horsham, Victoria, Australia and Novato, California, United States:
Departure Airport:

Arrival Airport:

Distance from HSM to NOT:
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- About this route
- HSM Airport Information
- NOT Airport Information
- Facts about HSM
- Facts about NOT
- Map of Nearest Airports to HSM
- List of Nearest Airports to HSM
- Map of Furthest Airports from HSM
- List of Furthest Airports from HSM
- Map of Nearest Airports to NOT
- List of Nearest Airports to NOT
- Map of Furthest Airports from NOT
- List of Furthest Airports from NOT
About this route:
A direct, nonstop flight between Horsham Airport (HSM), Horsham, Victoria, Australia and Marin County Airport (NOT), Novato, California, United States would travel a Great Circle distance of 7,964 miles (or 12,817 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 Horsham Airport and Marin County 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 Horsham Airport and Marin County Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HSM / YHSM |
Airport Name: | Horsham Airport |
Location: | Horsham, Victoria, Australia |
GPS Coordinates: | 36°40'10"S by 142°10'22"E |
Operator/Owner: | Horsham Rural City Council |
Airport Type: | Public |
Elevation: | 445 feet (136 meters) |
# of Runways: | 2 |
View all routes: | Routes from HSM |
More Information: | HSM Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | NOT / KDVO |
Airport Names: |
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Location: | Novato, California, United States |
GPS Coordinates: | 38°8'36"N by 122°33'21"W |
Operator/Owner: | Marin County |
Elevation: | 2 feet (1 meters) |
# of Runways: | 1 |
View all routes: | Routes from NOT |
More Information: | NOT Maps & Info |
Facts about Horsham Airport (HSM):
- Because of Horsham Airport's relatively low elevation of 445 feet, planes can take off or land at Horsham 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 Horsham Airport (HSM) is Ararat Airport (ARY), which is located 63 miles (102 kilometers) SE of HSM.
- Horsham Airport (HSM) has 2 runways.
- The furthest airport from Horsham Airport (HSM) is Flores Airport (FLW), which is nearly antipodal to Horsham Airport (meaning Horsham Airport is almost on the exact opposite side of the Earth from Flores Airport), and is located 12,025 miles (19,352 kilometers) away in Flores Island, Azores, Portugal.
Facts about Marin County Airport (NOT):
- In 1968 the County of Marin bought the airport and moved it to its present location.
- The closest airport to Marin County Airport (NOT) is Napa County Airport (APC), which is located only 16 miles (25 kilometers) ENE of NOT.
- The airport was opened by the Wright family just after World War II to serve the thousands of ex-military pilots expected to be flying after the war.
- The typical Gnoss Field crosswind landing conditions on runway 31 are a stronger than reported headwind on right base and, in a typical training aircraft, a slight amount of wind shear about 100 feet before the runway 31 threshold, settling down to a steady crosswind - but then adding to a slight headwind component, just past the near west side hangars.
- Gnoss Field is known to local pilots and flight instructors as an excellent airport to practice crosswind landings, especially during afternoons in the late spring and summer when the west wind picks up.
- The furthest airport from Marin County Airport (NOT) is Tôlanaro Airport (FTU), which is located 11,343 miles (18,254 kilometers) away in Tôlanaro, Madagascar.
- Marin County Airport (NOT) currently has only 1 runway.
- Somehow Gnoss's single runway is laid out almost exactly perpendicular to the prevailing offshore west winds.
- AWOS reports more closely conditions on the 31 end of the runway, and wind conditions are commonly significantly different on each end of the runway.
- Because of Marin County Airport's relatively low elevation of 2 feet, planes can take off or land at Marin County 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.
- In addition to being known as "Marin County Airport", other names for NOT include "Gnoss Field" and "DVO".
- The Wrights original privately owned airport had a dirt runway and was just west of the current airport, in what is now a grassy field.