Nonstop flight route between SeaTac (near Seattle and Tacoma), Washington, United States and Santiago, Dominican Republic:
Departure Airport:

Arrival Airport:

Distance from SEA to STI:
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- About this route
- SEA Airport Information
- STI Airport Information
- Facts about SEA
- Facts about STI
- Map of Nearest Airports to SEA
- List of Nearest Airports to SEA
- Map of Furthest Airports from SEA
- List of Furthest Airports from SEA
- Map of Nearest Airports to STI
- List of Nearest Airports to STI
- Map of Furthest Airports from STI
- List of Furthest Airports from STI
About this route:
A direct, nonstop flight between Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States and Cibao International Airport (STI), Santiago, Dominican Republic would travel a Great Circle distance of 3,469 miles (or 5,583 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 Seattle–Tacoma International Airport and Cibao 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 Seattle–Tacoma International Airport and Cibao 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: | SEA / KSEA |
Airport Names: |
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Location: | SeaTac (near Seattle and Tacoma), Washington, United States |
GPS Coordinates: | 47°26'56"N by 122°18'33"W |
Area Served: | Seattle; Tacoma, Washington, US |
Airport Type: | Public |
Elevation: | 433 feet (132 meters) |
# of Runways: | 3 |
View all routes: | Routes from SEA |
More Information: | SEA Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | STI / MDST |
Airport Names: |
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Location: | Santiago, Dominican Republic |
GPS Coordinates: | 19°24'21"N by 70°36'16"W |
Area Served: | Santiago de los Caballeros |
Operator/Owner: | City of Santiago |
Airport Type: | Public |
Elevation: | 565 feet (172 meters) |
# of Runways: | 1 |
View all routes: | Routes from STI |
More Information: | STI Maps & Info |
Facts about Seattle–Tacoma International Airport (SEA):
- Seattle–Tacoma International Airport handled 34,776,666 passengers last year.
- In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
- The closest airport to Seattle–Tacoma International Airport (SEA) is Renton Municipal Airport (RNT), which is located only 5 miles (9 kilometers) NE of SEA.
- Seattle–Tacoma International Airport (SEA) has 3 runways.
- Because of Seattle–Tacoma International Airport's relatively low elevation of 433 feet, planes can take off or land at Seattle–Tacoma 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.
- Starting in the late 1980s, the Port of Seattle and a council representing local county governments considered the future of air traffic in the region and predicted that airport could reach capacity by 2000.
- A new control tower was built beginning in 2001 and opened November 2004, at a cost of $26 million.
- There is also a scheduled bus service to downtown Vancouver, Canada, through Quick Shuttle, with other pick-up stops at downtown Seattle, Bellingham International Airport, and drop-off stops just inside the Canadian–U.S.
- The Seattle–Tacoma International Airport, also known as Sea–Tac Airport or Sea–Tac /ˈsiːtæk/, is an American airport.
- A recurring problem at the airport is misidentification of the westernmost taxiway, Taxiway Tango, as a runway.
- The furthest airport from Seattle–Tacoma International Airport (SEA) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.
Facts about Cibao International Airport (STI):
- The closest airport to Cibao International Airport (STI) is Gregorio Luperón International Airport (POP), which is located 24 miles (39 kilometers) N of STI.
- Cibao International Airport handled 1,092,229 passengers last year.
- The Cibao International Airport infrastructure consists of the main international terminal, domestic terminal and a cargo terminal.
- In May 2002 Aeromar Líneas Aéreas Dominicanas made the first direct flight from Santiago to JFK Airport in New York City.
- Because of Cibao International Airport's relatively low elevation of 565 feet, planes can take off or land at Cibao 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.
- The furthest airport from Cibao International Airport (STI) is RAAF Learmonth (LEA), which is nearly antipodal to Cibao International Airport (meaning Cibao International Airport is almost on the exact opposite side of the Earth from RAAF Learmonth), and is located 12,076 miles (19,435 kilometers) away in Exmouth, Western Australia, Australia.
- Cibao International Airport (STI) currently has only 1 runway.
- In addition to being known as "Cibao International Airport", another name for STI is "Aeropuerto Internacional del Cibao".
- Delta Air Lines operates four daily flights to New York-JFK using the Boeing 737-800 since July 2013.