Nonstop flight route between Kathmandu, Nepal and Santa Maria, California, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from KTM to SMX:
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- About this route
- KTM Airport Information
- SMX Airport Information
- Facts about KTM
- Facts about SMX
- Map of Nearest Airports to KTM
- List of Nearest Airports to KTM
- Map of Furthest Airports from KTM
- List of Furthest Airports from KTM
- Map of Nearest Airports to SMX
- List of Nearest Airports to SMX
- Map of Furthest Airports from SMX
- List of Furthest Airports from SMX
About this route:
A direct, nonstop flight between Tribhuvan International Airport (KTM), Kathmandu, Nepal and Santa Maria Public Airport (SMX), Santa Maria, California, United States would travel a Great Circle distance of 7,795 miles (or 12,545 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 Tribhuvan International Airport and Santa Maria Public 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 Tribhuvan International Airport and Santa Maria Public Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | KTM / VNKT | 
| Airport Names: | 
 | 
| Location: | Kathmandu, Nepal | 
| GPS Coordinates: | 27°41'47"N by 85°21'32"E | 
| Area Served: | Kathmandu, Nepal | 
| Operator/Owner: | Civil Aviation Authority of Nepal (CAAN) | 
| Airport Type: | Public | 
| Elevation: | 4390 feet (1,338 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from KTM | 
| More Information: | KTM Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | SMX / KSMX | 
| Airport Names: | 
 | 
| Location: | Santa Maria, California, United States | 
| GPS Coordinates: | 34°53'56"N by 120°27'26"W | 
| Area Served: | Santa Maria, California | 
| Operator/Owner: | Santa Maria Public Airport District | 
| Airport Type: | Public | 
| Elevation: | 261 feet (80 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from SMX | 
| More Information: | SMX Maps & Info | 
Facts about Tribhuvan International Airport (KTM):
- The Airport has two Public Terminals.
- The airport began as Gauchaur Airport, named after the area of Kathmandu where it was situated.
- Because of Tribhuvan International Airport's high elevation of 4,390 feet, planes must typically fly at a faster airspeed in order to takeoff or land at KTM. Combined with a high temperature, this could make KTM a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- In addition to being known as "Tribhuvan International Airport", another name for KTM is "त्रिभुवन अन्तर्राष्ट्रिय विमानस्थल".
- The airport is now again connected to Europe with service by Turkish Airlines to Istanbul, after a long gap without service to Europe when Royal Nepal ended their flights to Frankfurt and London in 2001.
- Tribhuvan International Airport (KTM) currently has only 1 runway.
- Tribhuvan International Airport handled 3,405,015 passengers last year.
- The Airport is connected to the Cities of Kathmandu and Lalitpur through the Busses of Sajha Yatayat, which stop in front of the International Terminal.
- The closest airport to Tribhuvan International Airport (KTM) is Ramechhap Airport (RHP), which is located 48 miles (77 kilometers) ESE of KTM.
- The furthest airport from Tribhuvan International Airport (KTM) is Mataveri International Airport (IPC), which is located 11,530 miles (18,556 kilometers) away in Easter Island, Chile.
Facts about Santa Maria Public Airport (SMX):
- A runway extension opened on May 3, 2012, from 6,304 ft.
- The closest airport to Santa Maria Public Airport (SMX) is Vandenberg Air Force Base (VBG), which is located only 13 miles (21 kilometers) SSW of SMX.
- The furthest airport from Santa Maria Public Airport (SMX) is Pierrefonds Airport (ZSE), which is located 11,466 miles (18,453 kilometers) away in Saint-Pierre, Réunion.
- The extended primary runway at Santa Maria is paved to 8,004 feet, giving the airport the longest civil runway between Los Angeles and San Francisco on the central coast and Vandenberg AFB's runway are longer).
- The first airline to serve Santa Maria was Southwest Airways operating Douglas DC-3 prop aircraft.
- In addition to being known as "Santa Maria Public Airport", another name for SMX is "Capt. G. Allan Hancock FieldSanta Maria Army Airfield".
- During its use by the military Santa Maria AAF also controlled Estrella Army Airfield, near Paso Robles as an auxiliary airfield to support the pilot training activity.
- Because of Santa Maria Public Airport's relatively low elevation of 261 feet, planes can take off or land at Santa Maria Public 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.
- Santa Maria Public Airport (SMX) has 2 runways.
- The original Allan Hancock Field was established in 1927 at another location, between Jones Street to the north, Stowell Road to the south, Bradley Road to the east and Miller Street to the west.




