Nonstop flight route between St. Mary's, Alaska, United States and Christchurch, New Zealand:
Departure Airport:

Arrival Airport:

Distance from KSM to CHC:
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- About this route
- KSM Airport Information
- CHC Airport Information
- Facts about KSM
- Facts about CHC
- Map of Nearest Airports to KSM
- List of Nearest Airports to KSM
- Map of Furthest Airports from KSM
- List of Furthest Airports from KSM
- Map of Nearest Airports to CHC
- List of Nearest Airports to CHC
- Map of Furthest Airports from CHC
- List of Furthest Airports from CHC
About this route:
A direct, nonstop flight between St. Mary's Airport (KSM), St. Mary's, Alaska, United States and Christchurch International Airport (CHC), Christchurch, New Zealand would travel a Great Circle distance of 7,416 miles (or 11,935 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 St. Mary's Airport and Christchurch International 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 St. Mary's Airport and Christchurch International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | KSM / PASM |
Airport Name: | St. Mary's Airport |
Location: | St. Mary's, Alaska, United States |
GPS Coordinates: | 62°3'38"N by 163°18'6"W |
Operator/Owner: | Alaska DOT&PF |
Airport Type: | Public |
Elevation: | 312 feet (95 meters) |
# of Runways: | 2 |
View all routes: | Routes from KSM |
More Information: | KSM Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | CHC / NZCH |
Airport Name: | Christchurch International Airport |
Location: | Christchurch, New Zealand |
GPS Coordinates: | 43°29'21"S by 172°31'55"E |
Area Served: | Christchurch |
Operator/Owner: | Christchurch City Council (75%) NZ Government (25%) |
Airport Type: | Public |
Elevation: | 123 feet (37 meters) |
# of Runways: | 3 |
View all routes: | Routes from CHC |
More Information: | CHC Maps & Info |
Facts about St. Mary's Airport (KSM):
- The closest airport to St. Mary's Airport (KSM) is Mountain Village Airport (MOU), which is located only 13 miles (20 kilometers) W of KSM.
- St. Mary's Airport (KSM) has 2 runways.
- Because of St. Mary's Airport's relatively low elevation of 312 feet, planes can take off or land at St. Mary's 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 St. Mary's Airport (KSM) is Cape Town International Airport (CPT), which is located 10,494 miles (16,889 kilometers) away in Cape Town, South Africa.
Facts about Christchurch International Airport (CHC):
- The furthest airport from Christchurch International Airport (CHC) is A Coruña Airport (LCG), which is nearly antipodal to Christchurch International Airport (meaning Christchurch International Airport is almost on the exact opposite side of the Earth from A Coruña Airport), and is located 12,389 miles (19,939 kilometers) away in A Coruña, Spain.
- Since the closure of Wigram Air Force Base, the Royal New Zealand Air Force always flies to Christchurch International Airport when required to visit the city.
- There is also the option of off-airport car parking facilities such as Christchurch Park & Fly offering a low cost alternative to parking at the airport carparks.
- Christchurch International Airport (CHC) has 3 runways.
- The prevailing wind in Christchurch is from the north-east and to a lesser extent from the south-west, but the city is also affected by Canterbury's Nor'wester foehn wind.
- Christchurch International Airport handled 556,096 passengers last year.
- The size of the new integrated terminal at Christchurch Airport is 77,591m².
- China Southern Airlines has stated it intends to start a Guangzhou to Christchurch service in the future.
- The closest airport to Christchurch International Airport (CHC) is Ashburton Aerodrome (ASG), which is located 47 miles (75 kilometers) SW of CHC.
- Stage 1 of the new terminal, including the new check-in hall, new food/retail precinct, new single domestic security screening, and the new regional departure lounge and baggage claim of the new terminal was completed in May 2011, allowing the old international check-in and the old domestic terminal north of the main pier to be demolished to make way for Stage 2.
- Because of Christchurch International Airport's relatively low elevation of 123 feet, planes can take off or land at Christchurch 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.